User contributions
This user is currently blocked. The latest block log entry is provided below for reference:
(newest | oldest) View (newer 500 | older 500) (20 | 50 | 100 | 250 | 500)
- 21:41, 5 September 2020 (diff | hist) . . (-34) . . 2020 CIME II Problems/Problem 7 (current)
- 21:41, 5 September 2020 (diff | hist) . . (-77) . . 2020 CIME II Problems/Problem 7
- 21:40, 5 September 2020 (diff | hist) . . (-33) . . 2020 CIME II Problems
- 21:40, 5 September 2020 (diff | hist) . . (-77) . . 2020 CIME II Problems
- 21:38, 5 September 2020 (diff | hist) . . (+1) . . 2012 AMC 10B Problems/Problem 21
- 21:34, 5 September 2020 (diff | hist) . . (+16) . . 2012 AMC 10B Problems/Problem 23
- 19:44, 5 September 2020 (diff | hist) . . (+12) . . 2020 CIME II Problems/Problem 7
- 19:44, 5 September 2020 (diff | hist) . . (+33) . . 2020 CIME II Problems
- 19:43, 5 September 2020 (diff | hist) . . (+22) . . 2020 CIME II Problems/Problem 7
- 19:43, 5 September 2020 (diff | hist) . . (+338) . . 2020 CIME II Problems/Problem 7
- 19:43, 5 September 2020 (diff | hist) . . (+338) . . 2020 CIME II Problems
- 18:20, 5 September 2020 (diff | hist) . . (0) . . File:2020 CIME II -7.png (Jbala uploaded a new version of File:2020 CIME II -7.png) (current)
- 18:17, 5 September 2020 (diff | hist) . . (+89) . . N 2020 CIME II Answer Key (Created page with "# 067 # 496 # 085 # 032 # 165 # 191 # 727 # 060 # 433 # 436 # 847 # 193 # 788 # 443 # 680") (current)
- 18:15, 5 September 2020 (diff | hist) . . (0) . . File:2020 CIME II -7.png (Jbala uploaded a new version of File:2020 CIME II -7.png)
- 18:09, 5 September 2020 (diff | hist) . . (0) . . 2020 CIME II Problems/Problem 7
- 18:07, 5 September 2020 (diff | hist) . . (+2,176) . . N 2020 CIME II Problems/Problem 7 (Created page with "==Problem 7== Let <math>ABC</math> be a triangle with <math>AB=340</math>, <math>BC=146</math>, and <math>CA=390</math>. If <math>M</math> is a point on the interior of segmen...")
- 17:46, 5 September 2020 (diff | hist) . . (0) . . N File:2020 CIME II -7.png
- 17:45, 5 September 2020 (diff | hist) . . (+4) . . 2020 CIME II Problems
- 17:44, 5 September 2020 (diff | hist) . . (-2) . . 2020 CIME II Problems
- 17:39, 5 September 2020 (diff | hist) . . (-349) . . 2020 CIME II Problems (→Problem 7)
- 17:36, 5 September 2020 (diff | hist) . . (0) . . 2020 CIME II Problems
- 17:35, 5 September 2020 (diff | hist) . . (+20) . . 2020 CIME II Problems
- 17:34, 5 September 2020 (diff | hist) . . (-24) . . 2020 CIME II Problems
- 17:32, 5 September 2020 (diff | hist) . . (+13) . . 2020 CIME II Problems
- 17:32, 5 September 2020 (diff | hist) . . (-22) . . 2020 CIME II Problems
- 17:31, 5 September 2020 (diff | hist) . . (+1) . . 2020 CIME II Problems
- 17:31, 5 September 2020 (diff | hist) . . (+21) . . 2020 CIME II Problems
- 17:31, 5 September 2020 (diff | hist) . . (+14) . . 2020 CIME II Problems
- 17:30, 5 September 2020 (diff | hist) . . (-7) . . 2020 CIME II Problems
- 17:30, 5 September 2020 (diff | hist) . . (-7) . . 2020 CIME II Problems
- 17:29, 5 September 2020 (diff | hist) . . (+24) . . 2020 CIME II Problems
- 17:28, 5 September 2020 (diff | hist) . . (-105) . . 2020 CIME II Problems
- 17:26, 5 September 2020 (diff | hist) . . (-247) . . 2020 CIME II Problems
- 17:24, 5 September 2020 (diff | hist) . . (+8,083) . . N 2020 CIME II Problems (Created page with "{{CIME Problems|year=2020|n=II}} ==Problem 1== Let <math>ABC</math> be a triangle. The bisector of <math>\angle ABC</math> intersects <math>\overline{AC}</math> at <math>E</m...")
- 16:41, 5 September 2020 (diff | hist) . . (0) . . 2000 AIME II Answer Key
- 14:23, 5 September 2020 (diff | hist) . . (+1,614) . . N 2020 CAMO Problems/Problem 6 (Created page with "==Problem 6== Let <math>n</math> be a positive integer. Eric and a squid play a turn-based game on an infinite grid of unit squares. Eric's goal is to capture the squid by mov...")
- 14:21, 5 September 2020 (diff | hist) . . (+457) . . N 2020 CAMO Problems/Problem 5 (Created page with "==Problem 5== Let <math>f(x)=x^2-2</math>. Prove that for all positive integers <math>n</math>, the polynomial <cmath>P(x)=\underbrace{f(f(\ldots f}_{n\text{ times}}(x)\ldots)...") (current)
- 14:20, 5 September 2020 (diff | hist) . . (0) . . 2020 CAMO Problems/Problem 4 (current)
- 14:19, 5 September 2020 (diff | hist) . . (+797) . . N 2020 CAMO Problems/Problem 4 (Created page with "==Problem 4== Let <math>ABC</math> be a triangle and <math>Q</math> a point on its circumcircle. Let <math>E</math> and <math>F</math> be the reflections of <math>Q</math> ove...")
- 14:17, 5 September 2020 (diff | hist) . . (+971) . . N 2020 CAMO Problems/Problem 3 (Created page with "==Problem 3== Let <math>ABC</math> be a triangle with incircle <math>\omega</math>, and let <math>\omega</math> touch <math>\overline{BC}</math>, <math>\overline{CA}</math>, <...") (current)
- 14:16, 5 September 2020 (diff | hist) . . (+372) . . N 2020 CAMO Problems/Problem 2 (Created page with "==Problem 2== Let <math>k</math> be a positive integer, <math>p>3</math> a prime, and <math>n</math> an integer with <math>0\le n\le p^{k-1}</math>. Prove that <cmath>\binom{p...") (current)
- 14:13, 5 September 2020 (diff | hist) . . (+1,154) . . N Template:CJMO newbox (Created page with "{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:40%;" | style="background:#ccf;text-align:center;" colspan="3" | '''{{{year}}} CJ...") (current)
- 14:12, 5 September 2020 (diff | hist) . . (+667) . . N 2020 CAMO Problems/Problem 1 (Created page with "==Problem 1== Let <math>f:\mathbb R_{>0}\to\mathbb R_{>0}</math> (meaning <math>f</math> takes positive real numbers to positive real numbers) be a nonconstant function such t...")
- 14:09, 5 September 2020 (diff | hist) . . (+258) . . 2020 CAMO Problems (current)
- 14:07, 5 September 2020 (diff | hist) . . (+4,023) . . N 2020 CAMO Problems (Created page with "==Day 1== ===Problem 1=== Let <math>f:\mathbb R_{>0}\to\mathbb R_{>0}</math> (meaning <math>f</math> takes positive real numbers to positive real numbers) be a nonconstant fun...")
- 13:56, 5 September 2020 (diff | hist) . . (0) . . CMC Problems and Solutions (current)
- 12:56, 5 September 2020 (diff | hist) . . (-50) . . Template:CAMO newbox (current)
- 12:52, 5 September 2020 (diff | hist) . . (-1) . . 2020 CAMO (current)
- 12:52, 5 September 2020 (diff | hist) . . (+49) . . 2020 CAMO
- 12:51, 5 September 2020 (diff | hist) . . (-29) . . 2020 CAMO
- 12:51, 5 September 2020 (diff | hist) . . (+11) . . Template:USAMO newbox (Undo revision 133160 by Jbala (talk)) (Tag: Undo)
- 12:50, 5 September 2020 (diff | hist) . . (-11) . . Template:USAMO newbox
- 12:49, 5 September 2020 (diff | hist) . . (-8) . . 2020 CAMO
- 12:48, 5 September 2020 (diff | hist) . . (+1) . . 2020 CAMO
- 12:48, 5 September 2020 (diff | hist) . . (+29) . . 2020 CAMO
- 12:47, 5 September 2020 (diff | hist) . . (-45) . . 2020 CAMO
- 12:47, 5 September 2020 (diff | hist) . . (-1) . . 2020 CAMO
- 12:46, 5 September 2020 (diff | hist) . . (+3) . . 2020 CAMO
- 12:45, 5 September 2020 (diff | hist) . . (-13) . . Template:CAMO newbox
- 12:44, 5 September 2020 (diff | hist) . . (+13) . . Template:CAMO newbox
- 12:42, 5 September 2020 (diff | hist) . . (+1,204) . . N Template:CAMO newbox (Created page with "</noinclude>{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:40%;" | style="background:#ccf;text-align:center;" colspan="3" | '''{...")
- 12:40, 5 September 2020 (diff | hist) . . (-7) . . 2020 CAMO
- 12:39, 5 September 2020 (diff | hist) . . (+610) . . N 2020 CAMO (Created page with "The '''first USAMO''' was held January 10 through February 3, 2020. The first link contains the full set of test problems. The rest contain each individual problem and its...")
- 12:37, 5 September 2020 (diff | hist) . . (+207) . . N CAMO Problems and Solutions (Created page with "CAMO problems and solutions. *2020 CAMO == See also == * Christmas Math Competitions * CMC Problems and Solutions * Mathematics competition resources ...") (current)
- 12:32, 5 September 2020 (diff | hist) . . (-72) . . 2020 CIME I Problems/Problem 10
- 00:48, 5 September 2020 (diff | hist) . . (+14) . . 2020 CIME I (current)
- 00:48, 5 September 2020 (diff | hist) . . (+13) . . 2020 CIME II (current)
- 00:47, 5 September 2020 (diff | hist) . . (+15) . . 2020 CIME I
- 00:47, 5 September 2020 (diff | hist) . . (+15) . . 2020 CIME II
- 00:47, 5 September 2020 (diff | hist) . . (+1,116) . . N 2020 CIME II (Created page with "'''2020 CIME II''' problems and solutions. The test was held on Friday, February 7, 2020. The first link contains the full set of test problems. The rest contain each...")
- 00:35, 5 September 2020 (diff | hist) . . (+29) . . N 2020 CMC 12B Answer Key (Created page with "DBBDC DCDAD ABDAA CBDDB CDDED") (current)
- 00:32, 5 September 2020 (diff | hist) . . (0) . . 2020 CMC 12A Answer Key (current)
- 00:31, 5 September 2020 (diff | hist) . . (+29) . . N 2020 CMC 12A Answer Key (Created page with "CCBCA DCADC BDDCD CDCDC CCACB")
- 00:28, 5 September 2020 (diff | hist) . . (+33) . . N 2020 CMC 12B Problems (Created page with "{{CMC12 Problems|year=2020|ab=B}}") (current)
- 00:28, 5 September 2020 (diff | hist) . . (0) . . 2020 CMC 12B (current)
- 00:27, 5 September 2020 (diff | hist) . . (+41) . . Template:CMC12 box
- 00:26, 5 September 2020 (diff | hist) . . (+123) . . 2020 CMC 12B
- 00:24, 5 September 2020 (diff | hist) . . (+1,480) . . N 2020 CMC 12B (Created page with "'''2020 CMC 12B''' problems and solutions. The test was held on Sunday, January 26, 2020. *2020 CMC 12B Problems *2020 CMC 12B Answer Key **2020 CMC 12B Problems/Pr...")
- 00:23, 5 September 2020 (diff | hist) . . (-4) . . 2020 CMC 12A (current)
- 00:21, 5 September 2020 (diff | hist) . . (+3,007) . . N Template:CMC12 Problems (Created page with "{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:50%;" | style="background:#ccf;text-align:center;" colspan="3" | '''{{{year}}} CM...")
- 00:19, 5 September 2020 (diff | hist) . . (+33) . . N 2020 CMC 12A Problems (Created page with "{{CMC12 Problems|year=2020|ab=A}}") (current)
- 00:15, 5 September 2020 (diff | hist) . . (+2) . . 2020 CMC 12A
- 00:15, 5 September 2020 (diff | hist) . . (+2,533) . . N Template:CMC12 box (Created page with "{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:80%;" | style="background:#ccf;text-align:center;" colspan="2" | '''{{{year}}} CM...")
- 00:13, 5 September 2020 (diff | hist) . . (+1,603) . . N 2020 CMC 12A (Created page with "'''2020 CMC 12A''' problems and solutions. The test was held on Friday, December 27, 2019. *2020 CMC 12A Problems *2020 CMC 12A Answer Key **2020 CMC 12A Problems/P...")
- 00:11, 5 September 2020 (diff | hist) . . (+186) . . N CMC 12 Problems and Solutions (Created page with "CMC 12 problems and solutions. {| class="wikitable" style="text-align:center" |- ! Year || Test A || Test B |- | 2020 || CMC 12A || 2020 CMC 12B | C...")
- 00:10, 5 September 2020 (diff | hist) . . (+104) . . CMC Problems and Solutions
- 00:08, 5 September 2020 (diff | hist) . . (+32) . . CMC Problems and Solutions
- 00:03, 5 September 2020 (diff | hist) . . (+75) . . 2020 CIME I Problems/Problem 2 (current)
- 00:02, 5 September 2020 (diff | hist) . . (+75) . . 2020 CIME I Problems/Problem 1 (current)
- 16:15, 2 September 2020 (diff | hist) . . (-195) . . 2015 AIME I Problems
- 13:28, 2 September 2020 (diff | hist) . . (+13) . . 2001 AIME II Problems/Problem 6
- 13:27, 2 September 2020 (diff | hist) . . (-44) . . 2001 AIME II Problems/Problem 5
- 13:15, 2 September 2020 (diff | hist) . . (+43) . . N 2013 USAJMO Problems/Problem 3 (Redirected page to 2013 USAMO Problems/Problem 1) (current) (Tag: New redirect)
- 16:46, 1 September 2020 (diff | hist) . . (+11) . . 2007 AMC 8 Problems/Problem 16
- 16:42, 1 September 2020 (diff | hist) . . (+27) . . 2008 AMC 8 Problems/Problem 25
- 16:35, 1 September 2020 (diff | hist) . . (+85) . . 2020 CIME I Problems/Problem 10
- 14:21, 1 September 2020 (diff | hist) . . (+2) . . 2020 CIME I Problems/Problem 14 (current)
- 11:58, 1 September 2020 (diff | hist) . . (+523) . . N 2020 CIME I Problems/Problem 15 (Created page with "==Problem 15== Find the number of integer sequences <math>a_1, a_2, \ldots, a_6</math> such that :(1) <math>0 \le a_1 < 6</math> and <math>12 \le a_6 < 18</math>, :(2) <math>1...") (current)
- 11:55, 1 September 2020 (diff | hist) . . (-2) . . 2020 CIME I Problems/Problem 14
- 11:55, 1 September 2020 (diff | hist) . . (+947) . . N 2020 CIME I Problems/Problem 14 (Created page with "==Problem 14== Let <math>ABC</math> be a triangle with sides <math>AB = 5, BC = 7, CA = 8</math>. Denote by <math>O</math> and <math>I</math> the circumcenter and incenter of...")
- 11:54, 1 September 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 13
- 11:49, 1 September 2020 (diff | hist) . . (-13) . . 2020 CIME I Problems/Problem 13
- 11:49, 1 September 2020 (diff | hist) . . (+661) . . N 2020 CIME I Problems/Problem 13 (Created page with "==Problem 13== Chris writes on a piece of paper the positive integers from <math>1</math> to <math>8</math> in that order. Then, he randomly writes either <math>+</math> or <m...")
- 11:38, 1 September 2020 (diff | hist) . . (-3) . . 2020 CIME I Problems/Problem 2
- 11:37, 1 September 2020 (diff | hist) . . (+1) . . 2020 CIME I Problems/Problem 1
- 11:36, 1 September 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 1
- 18:13, 31 August 2020 (diff | hist) . . (-2) . . Christmas Invitational Mathematics Examination (current)
- 18:00, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems (current)
- 18:00, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 8
- 17:58, 31 August 2020 (diff | hist) . . (-2) . . 2020 CIME I Problems/Problem 6
- 17:58, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 6
- 17:58, 31 August 2020 (diff | hist) . . (+70) . . 2020 CIME I Problems/Problem 6
- 17:54, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 4
- 17:54, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 3
- 17:53, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 6
- 16:20, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 12 (current)
- 16:20, 31 August 2020 (diff | hist) . . (+505) . . N 2020 CIME I Problems/Problem 12 (Created page with "==Problem 12== Define a sequence <math>a_0, a_1, a_2, ...</math> by <cmath>a_i=\underbrace{1\ldots1}_{2^{i}\text{ 1's}}\underbrace{0\ldots0}_{(2^i-1)\text{ 0's}}1_2,</cmath> w...")
- 16:20, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 11 (current)
- 16:14, 31 August 2020 (diff | hist) . . (+755) . . N 2020 CIME I Problems/Problem 11 (Created page with "==Problem 11== An <math>excircle</math> of a triangle is a circle tangent to one of the sides of the triangle and the extensions of the other two sides. Let <math>ABC</math> b...")
- 16:13, 31 August 2020 (diff | hist) . . (-15) . . 2020 CIME I Problems
- 16:12, 31 August 2020 (diff | hist) . . (+25) . . 2020 CIME I Problems
- 15:28, 31 August 2020 (diff | hist) . . (+9) . . 2020 AIME I Problems/Problem 15
- 15:28, 31 August 2020 (diff | hist) . . (+9) . . 2020 AIME I Problems
- 13:20, 31 August 2020 (diff | hist) . . (0) . . Christmas Invitational Mathematics Examination
- 13:20, 31 August 2020 (diff | hist) . . (-126) . . Christmas Invitational Mathematics Examination
- 13:19, 31 August 2020 (diff | hist) . . (+3,020) . . N Christmas Invitational Mathematics Examination (Created page with "The '''Christmas Invitational Mathematics Examination''' ('''CIME'''), like the ('''AIME'''), is the second exam in the series of exams used to challenge bright students on th...")
- 12:40, 31 August 2020 (diff | hist) . . (+60) . . N CIME (Redirected page to Christmas Invitational Mathematics Examination) (current) (Tag: New redirect)
- 12:34, 31 August 2020 (diff | hist) . . (+13) . . 2020 CIME I Problems/Problem 7
- 12:26, 31 August 2020 (diff | hist) . . (+13) . . 2020 CIME I Problems/Problem 1
- 12:26, 31 August 2020 (diff | hist) . . (+13) . . 2020 CIME I Problems/Problem 2
- 12:25, 31 August 2020 (diff | hist) . . (+13) . . 2020 CIME I Problems/Problem 5 (current)
- 12:24, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 5
- 12:23, 31 August 2020 (diff | hist) . . (-1) . . 2020 CIME I Problems/Problem 5
- 12:22, 31 August 2020 (diff | hist) . . (+1,010) . . 2020 CIME I Problems/Problem 5
- 11:54, 31 August 2020 (diff | hist) . . (+50) . . 2020 AMC 10A Problems/Problem 24
- 11:36, 31 August 2020 (diff | hist) . . (+1) . . 2020 CIME I Problems/Problem 10
- 11:35, 31 August 2020 (diff | hist) . . (+439) . . N 2020 CIME I Problems/Problem 10 (Created page with "==Problem 10== Let <math>1=d_1<d_2<\cdots<d_k=n</math> be the divisors of a positive integer <math>n</math>. Let <math>S</math> be the sum of all positive integers <math>n</ma...")
- 11:34, 31 August 2020 (diff | hist) . . (+15) . . 2020 CIME I Problems/Problem 9
- 11:33, 31 August 2020 (diff | hist) . . (+475) . . N 2020 CIME I Problems/Problem 9 (Created page with "==Problem 9== Let <math>ABCD</math> be a cyclic quadrilateral with <math>AB=6, AC=8, BD=5, CD=2</math>. Let <math>P</math> be the point on <math>\overline{AD}</math> such that...")
- 11:33, 31 August 2020 (diff | hist) . . (+1,021) . . N 2020 CIME I Problems/Problem 8 (Created page with "==Problem 8== A person has been declared the first to inhabit a certain planet on day <math>N=0</math>. For each positive integer <math>N=0</math>, if there is a positive numb...")
- 11:27, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 7
- 11:26, 31 August 2020 (diff | hist) . . (+503) . . N 2020 CIME I Problems/Problem 7 (Created page with "==Problem 7== For every positive integer <math>n</math>, define <cmath>f(n)=\frac{n}{1 \cdot 3 \cdot 5 \cdots (2n+1)}.</cmath> Suppose that the sum <math>f(1)+f(2)+\cdots+f(20...")
- 11:22, 31 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 6
- 11:21, 31 August 2020 (diff | hist) . . (+217) . . N 2020 CIME I Problems/Problem 6 (Created page with "==Problem 6== Find the number of complex numbers <math>z</math> satisfying <math>|z|=1</math> and <math>z^{850}+z^{350}+1=0</math>. ==Solution== {{solution}} {{CIME box|year...")
- 11:17, 31 August 2020 (diff | hist) . . (+15) . . 2020 CIME I Problems
- 23:29, 30 August 2020 (diff | hist) . . (-7) . . CMC Problems and Solutions
- 22:27, 30 August 2020 (diff | hist) . . (+166) . . N CMC Problems and Solutions (Created page with "You can find problems and solutions from the math contests run by the Christmas Mathematics Competitions on the following pages: *CIME Problems and Solutions")
- 22:05, 30 August 2020 (diff | hist) . . (+416) . . N 2020 CIME I Problems/Problem 5 (Created page with "==Problem 5== Let <math>ABCD</math> be a rectangle with sides <math>AB>BC</math> and let <math>E</math> be the reflection of <math>A</math> over <math>\overline{BD}</math>. If...")
- 21:59, 30 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 4
- 21:59, 30 August 2020 (diff | hist) . . (+496) . . N 2020 CIME I Problems/Problem 4 (Created page with "==Problem 4== There exists a unique positive real number <math>x</math> satisfying <cmath>x=\sqrt{x^2+\frac{1}{x^2}} - \sqrt{x^2-\frac{1}{x^2}}.</cmath> Given that <math>x</ma...")
- 21:51, 30 August 2020 (diff | hist) . . (+2) . . 2020 CIME I Problems/Problem 3
- 21:51, 30 August 2020 (diff | hist) . . (+454) . . N 2020 CIME I Problems/Problem 3 (Created page with "==Problem 3== In a math competition, all teams must consist of between <math>12</math> and <math>15</math> members, inclusive. Mr. Beluhov has <math>n > 0</math> students and...")
- 21:36, 30 August 2020 (diff | hist) . . (-14) . . 2020 CIME I Problems/Problem 2
- 21:34, 30 August 2020 (diff | hist) . . (+1,315) . . N 2020 CIME I Problems/Problem 2 (Created page with "==Problem 2== At the local Blast Store, there are sufficiently many items with a price of <math>\$n.99</math> for each nonnegative integer <math>n</math>. A sales tax of <math...")
- 20:57, 30 August 2020 (diff | hist) . . (+29) . . Template:MAC Notice (current)
- 20:57, 30 August 2020 (diff | hist) . . (+137) . . N Template:MAC Notice (Created page with "The problems on this page are copyrighted by the MAC's [https://sites.google.com/view/annualcmc/home Christmas Mathematics Competitions].")
- 20:54, 30 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems/Problem 1
- 20:53, 30 August 2020 (diff | hist) . . (+1,017) . . 2020 CIME I Problems/Problem 1
- 20:38, 30 August 2020 (diff | hist) . . (+10) . . 2020 CIME I Problems
- 20:38, 30 August 2020 (diff | hist) . . (+274) . . N 2020 CIME I Problems/Problem 1 (Created page with "==Problem 1== A knight begins on the point <math>(0,0)</math> in the coordinate plane. From any point <math>(x,y)</math> the knight moves to either <math>(x+2,y+1)</math> or <...")
- 20:37, 30 August 2020 (diff | hist) . . (+3) . . 2020 CIME I Problems
- 20:34, 30 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems
- 20:33, 30 August 2020 (diff | hist) . . (+2) . . 2020 CIME I Problems
- 20:33, 30 August 2020 (diff | hist) . . (-7) . . 2020 CIME I Problems
- 20:32, 30 August 2020 (diff | hist) . . (+4) . . 2020 CIME I Problems
- 20:31, 30 August 2020 (diff | hist) . . (+25) . . 2020 CIME I Problems
- 20:30, 30 August 2020 (diff | hist) . . (+520) . . 2020 CIME I Problems
- 20:23, 30 August 2020 (diff | hist) . . (+690) . . 2020 CIME I Problems
- 20:18, 30 August 2020 (diff | hist) . . (+48) . . 2020 CIME I Problems
- 20:17, 30 August 2020 (diff | hist) . . (+547) . . 2020 CIME I Problems
- 20:08, 30 August 2020 (diff | hist) . . (-12) . . 2020 CIME I Problems
- 20:04, 30 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems
- 20:03, 30 August 2020 (diff | hist) . . (-37) . . 2020 CIME I Problems
- 20:01, 30 August 2020 (diff | hist) . . (+493) . . 2020 CIME I Problems
- 19:42, 30 August 2020 (diff | hist) . . (+659) . . 2020 CIME I Problems
- 19:24, 30 August 2020 (diff | hist) . . (+305) . . 2020 CIME I Problems
- 17:40, 30 August 2020 (diff | hist) . . (-1) . . 2020 CIME I Problems
- 17:39, 30 August 2020 (diff | hist) . . (+500) . . 2020 CIME I Problems
- 17:35, 30 August 2020 (diff | hist) . . (+937) . . 2020 CIME I Problems
- 17:29, 30 August 2020 (diff | hist) . . (+1,953) . . N Template:CIME Problems (Created page with "{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:50%;" | style="background:#ccf;text-align:center;" colspan="3" | '''{{{year}}} CI...") (current)
- 16:57, 30 August 2020 (diff | hist) . . (+47) . . 2020 CIME I Problems
- 16:57, 30 August 2020 (diff | hist) . . (+369) . . 2020 CIME I Problems
- 15:07, 30 August 2020 (diff | hist) . . (-1) . . 2020 CIME I Problems
- 15:07, 30 August 2020 (diff | hist) . . (-413) . . 2020 CIME I Problems
- 15:07, 30 August 2020 (diff | hist) . . (-2) . . 2020 CIME I Problems
- 15:06, 30 August 2020 (diff | hist) . . (-939) . . 2020 CIME I Problems
- 15:05, 30 August 2020 (diff | hist) . . (+2) . . 2020 CIME I Problems
- 14:59, 30 August 2020 (diff | hist) . . (+989) . . 2020 CIME I Problems
- 14:41, 30 August 2020 (diff | hist) . . (+1) . . 2020 CIME I Problems
- 14:41, 30 August 2020 (diff | hist) . . (+72) . . 2020 CIME I Problems
- 14:38, 30 August 2020 (diff | hist) . . (+993) . . 2020 CIME I Problems
- 14:31, 30 August 2020 (diff | hist) . . (+13) . . 2020 CIME I Problems
- 14:31, 30 August 2020 (diff | hist) . . (0) . . 2020 CIME I Problems
- 14:30, 30 August 2020 (diff | hist) . . (+355) . . 2020 CIME I Problems
- 13:59, 30 August 2020 (diff | hist) . . (+968) . . N 2020 CIME I Problems (Created page with "{{CIME Problems|year=2020|n=I}} ==Problem 1== A knight begins on the point <math>(0,0)</math> in the coordinate plane. From any point <math>(x,y)</math> the knight moves to e...")
- 13:27, 30 August 2020 (diff | hist) . . (0) . . 2020 AIME I Answer Key
- 13:27, 30 August 2020 (diff | hist) . . (+74) . . N 2020 CIME I Answer Key (Created page with "#252 #020 #480 #014 #192 #100 #312 #176 #023 #418 #209 #048 #225 #093 #302") (current)
- 13:26, 30 August 2020 (diff | hist) . . (0) . . 2020 AIME I Answer Key
- 13:23, 30 August 2020 (diff | hist) . . (0) . . CIME Problems and Solutions
- 13:23, 30 August 2020 (diff | hist) . . (+744) . . N CIME Problems and Solutions (Created page with "This is a list of all CIME exams in the AoPSWiki. Some of them contain complete questions and solutions, others complete questions, and others are lacking both questi...")
- 13:19, 30 August 2020 (diff | hist) . . (+1,877) . . N Template:CIME box (Created page with "{| class="wikitable" style="margin:0.5em auto; font-size:95%; border:1px solid black; width:80%;" | style="background:#ccf;text-align:center;" colspan="3" | '''{{{year}}} CI...") (current)
- 13:16, 30 August 2020 (diff | hist) . . (+1,098) . . N 2020 CIME I (Created page with "'''2020 CIME I''' problems and solutions. The test was held on Friday, January 3, 2020. The first link contains the full set of test problems. The rest contain each i...")
- 01:28, 30 August 2020 (diff | hist) . . (+518) . . Isogonal conjugate
- 01:26, 30 August 2020 (diff | hist) . . (-43) . . 2008 USAMO Problems/Problem 2
- 01:24, 30 August 2020 (diff | hist) . . (+19) . . 2008 USAMO Problems/Problem 2
- 15:24, 28 August 2020 (diff | hist) . . (+14) . . 2012 AMC 10B Problems/Problem 19
- 15:19, 28 August 2020 (diff | hist) . . (+14) . . 2012 AMC 10B Problems/Problem 10
- 13:54, 28 August 2020 (diff | hist) . . (+283) . . Pell equation
- 13:47, 28 August 2020 (diff | hist) . . (-5) . . Mock AIME 4 2006-2007 Problems/Problem 15
- 13:43, 28 August 2020 (diff | hist) . . (+34) . . 2008 AMC 12B Problems (current)
- 13:40, 28 August 2020 (diff | hist) . . (0) . . Without loss of generality
- 13:13, 28 August 2020 (diff | hist) . . (+47) . . 2008 AIME I Problems/Problem 2
- 17:01, 27 August 2020 (diff | hist) . . (+94) . . 2003 AMC 12A Problems/Problem 12
- 14:38, 27 August 2020 (diff | hist) . . (+68) . . 2009 AMC 12B Problems/Problem 22
- 12:50, 27 August 2020 (diff | hist) . . (+8) . . 2005 AMC 12A Problems/Problem 16
- 12:44, 27 August 2020 (diff | hist) . . (+2) . . 2017 AMC 12B Problems/Problem 15
- 12:44, 27 August 2020 (diff | hist) . . (+5,765) . . 2017 AMC 12B Problems/Problem 15
- 12:26, 27 August 2020 (diff | hist) . . (+484) . . 2019 AIME I Problems/Problem 15
- 11:38, 27 August 2020 (diff | hist) . . (+30) . . 2014 AIME I Problems/Problem 7
- 16:56, 26 August 2020 (diff | hist) . . (+56) . . 2011 USAMO Problems/Problem 3
- 14:27, 26 August 2020 (diff | hist) . . (-2) . . 2013 AMC 10B Problems/Problem 24
- 00:42, 26 August 2020 (diff | hist) . . (+43) . . 2000 AMC 12 Problems/Problem 8
- 00:40, 26 August 2020 (diff | hist) . . (-43) . . 2000 AMC 12 Problems/Problem 6
- 16:55, 25 August 2020 (diff | hist) . . (0) . . 2016 AIME I Problems/Problem 6
- 15:15, 25 August 2020 (diff | hist) . . (-3,213) . . 2012 USAJMO Problems/Problem 6 (Redirected page to 2012 USAMO Problems/Problem 5) (current) (Tag: New redirect)
- 14:59, 25 August 2020 (diff | hist) . . (-9) . . 2007 AIME II Problems/Problem 10
- 15:15, 24 August 2020 (diff | hist) . . (+29) . . 2019 AMC 8 Problems/Problem 24
- 23:02, 23 August 2020 (diff | hist) . . (+3) . . 2020 AMC 12A Problems/Problem 13
- 22:35, 23 August 2020 (diff | hist) . . (0) . . 2011 AIME II Problems
- 21:03, 23 August 2020 (diff | hist) . . (-103) . . 2015 AMC 8 Problems/Problem 18
- 20:40, 23 August 2020 (diff | hist) . . (+50) . . 2009 AIME II Problems/Problem 4
- 20:37, 23 August 2020 (diff | hist) . . (+13) . . 2018 AIME II Problems/Problem 13
- 20:37, 23 August 2020 (diff | hist) . . (+12) . . 2018 AIME II Problems/Problem 15
- 20:36, 23 August 2020 (diff | hist) . . (+14) . . 2018 AIME II Problems/Problem 14
- 20:35, 23 August 2020 (diff | hist) . . (+11) . . 2018 AIME II Problems/Problem 12
- 20:34, 23 August 2020 (diff | hist) . . (+11) . . 2018 AIME II Problems/Problem 10
- 20:34, 23 August 2020 (diff | hist) . . (+14) . . 2018 AIME II Problems/Problem 10
- 20:34, 23 August 2020 (diff | hist) . . (+14) . . 2018 AIME II Problems/Problem 9
- 20:33, 23 August 2020 (diff | hist) . . (+13) . . 2018 AIME II Problems/Problem 8
- 20:33, 23 August 2020 (diff | hist) . . (+12) . . 2018 AIME II Problems/Problem 7
- 20:32, 23 August 2020 (diff | hist) . . (+13) . . 2018 AIME II Problems/Problem 5
- 20:32, 23 August 2020 (diff | hist) . . (+13) . . 2018 AIME II Problems/Problem 1
- 20:20, 23 August 2020 (diff | hist) . . (+8) . . 2005 AMC 10B Problems
- 20:17, 23 August 2020 (diff | hist) . . (+7) . . 2004 AMC 10B Problems
- 23:28, 22 August 2020 (diff | hist) . . (0) . . 2005 AMC 12B Problems/Problem 5
- 22:08, 22 August 2020 (diff | hist) . . (+9) . . 2005 AMC 12B Problems/Problem 5
- 21:53, 22 August 2020 (diff | hist) . . (+43) . . 2011 AMC 10B Problems/Problem 24
- 21:49, 22 August 2020 (diff | hist) . . (+44) . . 2011 AMC 12B Problems/Problem 19
- 16:48, 22 August 2020 (diff | hist) . . (+16) . . 2009 AIME I Problems/Problem 3
- 16:47, 22 August 2020 (diff | hist) . . (+15) . . 2009 AIME I Problems/Problem 2
- 16:47, 22 August 2020 (diff | hist) . . (+15) . . 2009 AIME I Problems/Problem 1
- 16:43, 22 August 2020 (diff | hist) . . (+71) . . 2007 AIME I Problems/Problem 8
- 16:41, 22 August 2020 (diff | hist) . . (+94) . . 2011 AIME II Problems/Problem 5
- 16:40, 22 August 2020 (diff | hist) . . (+87) . . 2015 AIME I Problems/Problem 12
- 13:14, 22 August 2020 (diff | hist) . . (+39) . . 2000 AIME II Problems/Problem 12 (current)
- 00:59, 22 August 2020 (diff | hist) . . (-1,086) . . 2016 AMC 8 Problems/Problem 23 (Trig isn’t needed on AMC 8)
- 23:03, 21 August 2020 (diff | hist) . . (-769) . . 2017 AIME II Problems/Problem 12
- 23:00, 21 August 2020 (diff | hist) . . (0) . . 2017 AIME I Problems/Problem 9
- 22:59, 21 August 2020 (diff | hist) . . (+50) . . 2017 AIME I Problems/Problem 9
- 22:58, 21 August 2020 (diff | hist) . . (-2) . . 2017 AIME I Problems/Problem 12
- 22:54, 21 August 2020 (diff | hist) . . (+2) . . AMC historical results
- 12:31, 21 August 2020 (diff | hist) . . (0) . . 2019 USAMO (current)
- 12:19, 21 August 2020 (diff | hist) . . (-2) . . 2009 USAMO Problems/Problem 6 (current)
- 11:55, 21 August 2020 (diff | hist) . . (+113) . . 2009 USAMO Problems/Problem 6
- 11:51, 21 August 2020 (diff | hist) . . (+12) . . 2009 USAMO Problems/Problem 6
- 11:50, 21 August 2020 (diff | hist) . . (+1,459) . . 2009 USAMO Problems/Problem 6
- 19:53, 20 August 2020 (diff | hist) . . (-2) . . 2009 AMC 8 Problems/Problem 15 (current)
- 18:34, 20 August 2020 (diff | hist) . . (0) . . 2009 AIME I Problems/Problem 15
- 18:33, 20 August 2020 (diff | hist) . . (+1,268) . . 2009 AIME I Problems/Problem 15
- 15:52, 20 August 2020 (diff | hist) . . (-1) . . 2013 AMC 10B Problems/Problem 18
- 23:12, 19 August 2020 (diff | hist) . . (+115) . . 2012 AIME II Problems/Problem 10
- 23:10, 19 August 2020 (diff | hist) . . (+173) . . 2019 AMC 10A Problems/Problem 25
- 21:13, 19 August 2020 (diff | hist) . . (+14) . . 2009 AIME I Problems/Problem 3
- 21:10, 19 August 2020 (diff | hist) . . (+30) . . 2009 AIME I Problems/Problem 6
- 20:11, 19 August 2020 (diff | hist) . . (+121) . . 2009 AIME I Problems/Problem 8
- 17:25, 19 August 2020 (diff | hist) . . (+10) . . 2009 AIME I Problems/Problem 6
- 16:31, 19 August 2020 (diff | hist) . . (+48) . . 2008 AMC 8
- 16:30, 19 August 2020 (diff | hist) . . (-2) . . 2008 AMC 8 Problems/Problem 23
- 16:27, 19 August 2020 (diff | hist) . . (+7) . . 2020 AMC 12A Problems/Problem 13
- 12:40, 19 August 2020 (diff | hist) . . (-15) . . 2009 AIME I Problems/Problem 6
- 12:39, 19 August 2020 (diff | hist) . . (-1) . . 2009 AIME I Problems/Problem 6
- 12:39, 19 August 2020 (diff | hist) . . (+1,052) . . 2009 AIME I Problems/Problem 6
- 20:42, 18 August 2020 (diff | hist) . . (-187) . . AoPS Wiki:Competition ratings
- 20:20, 18 August 2020 (diff | hist) . . (0) . . 2018 USAMO Problems/Problem 1
- 20:18, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 9
- 20:17, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 8
- 20:17, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 7
- 20:17, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 6
- 20:16, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 5
- 20:16, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 4
- 20:15, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 3
- 20:14, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 2
- 20:14, 18 August 2020 (diff | hist) . . (+15) . . 2016 AIME II Problems/Problem 1
- 17:01, 18 August 2020 (diff | hist) . . (+10) . . 2008 AMC 8 Problems/Problem 23
- 17:00, 18 August 2020 (diff | hist) . . (+35) . . 2008 AMC 8 Problems/Problem 23
- 15:15, 18 August 2020 (diff | hist) . . (+7) . . 2009 AIME I Problems/Problem 15
- 15:14, 18 August 2020 (diff | hist) . . (+7) . . 2009 AIME I Problems
- 13:02, 18 August 2020 (diff | hist) . . (0) . . AMC historical results
- 14:52, 17 August 2020 (diff | hist) . . (+105) . . 2004 AMC 12A Problems/Problem 19
- 14:52, 17 August 2020 (diff | hist) . . (-3,416) . . 2004 AMC 10A Problems/Problem 23 (Redirected page to 2004 AMC 12A Problems/Problem 19) (current) (Tag: New redirect)
- 14:50, 17 August 2020 (diff | hist) . . (-13) . . 2004 AMC 12A Problems/Problem 25 (current)
- 20:38, 16 August 2020 (diff | hist) . . (+38) . . 2009 USAMO Problems/Problem 6
- 15:01, 16 August 2020 (diff | hist) . . (+25) . . 2009 AIME I Problems/Problem 11 (current)
- 15:00, 16 August 2020 (diff | hist) . . (+20) . . 2009 AIME I Problems/Problem 11
- 14:12, 16 August 2020 (diff | hist) . . (+44) . . 2009 AIME I Problems/Problem 14 (current)
- 14:11, 16 August 2020 (diff | hist) . . (+45) . . 2009 AIME I Problems/Problem 11
- 14:08, 16 August 2020 (diff | hist) . . (0) . . 2009 AMC 10A Answer Key (Undo revision 130296 by Coltsfan10 (talk)) (Tag: Undo)
- 14:07, 16 August 2020 (diff | hist) . . (+34) . . 2009 AMC 10A Problems
- 13:54, 16 August 2020 (diff | hist) . . (+17) . . USAJMO Problems and Solutions
- 13:52, 16 August 2020 (diff | hist) . . (+1) . . 2008 AIME II Problems/Problem 14
- 13:43, 16 August 2020 (diff | hist) . . (+187) . . Brocard point
- 13:39, 16 August 2020 (diff | hist) . . (+8) . . 1999 AIME Problems (current)
- 13:39, 16 August 2020 (diff | hist) . . (+7) . . 1999 AIME Problems
- 13:16, 16 August 2020 (diff | hist) . . (0) . . 2013 AMC 12B Problems/Problem 24
- 13:15, 16 August 2020 (diff | hist) . . (0) . . 2013 AMC 12B Problems
- 13:06, 16 August 2020 (diff | hist) . . (+21) . . 1991 AJHSME Problems/Problem 20 (current)
- 12:58, 16 August 2020 (diff | hist) . . (+424) . . N 2021 USAMO (Created page with "The 50th USAMO will be held on April 20-21, 2021. The first link will contain the full set of test problems. The rest will contain each individual problem and its so...")
- 12:23, 16 August 2020 (diff | hist) . . (+4) . . 2009 AIME I Problems/Problem 6
- 12:20, 16 August 2020 (diff | hist) . . (+65) . . 2009 AIME I Problems/Problem 1
- 00:49, 16 August 2020 (diff | hist) . . (-30) . . 2008 AIME II Problems/Problem 7
- 00:36, 16 August 2020 (diff | hist) . . (+6) . . 1996 AJHSME Problems/Problem 22
- 17:25, 15 August 2020 (diff | hist) . . (-1) . . 2012 AIME II Problems/Problem 14
- 17:25, 15 August 2020 (diff | hist) . . (-13) . . 2012 AIME II Problems/Problem 14
- 17:23, 15 August 2020 (diff | hist) . . (+1) . . 2019 AMC 12A Problems/Problem 2
- 17:23, 15 August 2020 (diff | hist) . . (+1) . . 2019 AMC 12A Problems
- 16:22, 15 August 2020 (diff | hist) . . (+49) . . 2019 AMC 10A Problems/Problem 18
- 17:49, 13 August 2020 (diff | hist) . . (+44) . . N 2019 AMC 8 Problem 3 (Redirected page to 2012 AMC 8 Problems/Problem 20) (current) (Tag: New redirect)
- 17:22, 13 August 2020 (diff | hist) . . (+118) . . 2006 AIME II Problems
- 17:19, 13 August 2020 (diff | hist) . . (-12) . . 2006 AIME I Problems
- 17:15, 13 August 2020 (diff | hist) . . (+8) . . 2001 AIME I Problems
- 17:07, 13 August 2020 (diff | hist) . . (+7) . . 2007 AMC 12A Problems/Problem 16 (this is a combinatorics problem LOL)
- 15:00, 12 August 2020 (diff | hist) . . (+2) . . 2010 AMC 12A Problems (current)
- 14:59, 12 August 2020 (diff | hist) . . (-4) . . 2010 AMC 12A Problems
- 14:43, 12 August 2020 (diff | hist) . . (-1) . . 2017 AMC 12A Problems/Problem 16
- 14:43, 12 August 2020 (diff | hist) . . (0) . . 2017 AMC 12A Problems
- 14:42, 12 August 2020 (diff | hist) . . (-1) . . 2017 AMC 12A Problems
- 14:39, 12 August 2020 (diff | hist) . . (+4) . . 2016 AMC 12B Problems/Problem 24
- 14:38, 12 August 2020 (diff | hist) . . (+4) . . 2016 AMC 12B Problems/Problem 24
- 14:38, 12 August 2020 (diff | hist) . . (+8) . . 2016 AMC 12B Problems/Problem 24
- 14:36, 12 August 2020 (diff | hist) . . (-28) . . 2016 AMC 12A Problems
- 13:35, 12 August 2020 (diff | hist) . . (+1) . . 2012 AMC 12A Problems/Problem 23
- 13:34, 12 August 2020 (diff | hist) . . (+37) . . 2012 AMC 12A Problems/Problem 23
- 13:34, 12 August 2020 (diff | hist) . . (+8) . . 2012 AMC 12A Problems (current)
- 13:33, 12 August 2020 (diff | hist) . . (+24) . . 2012 AMC 12A Problems
- 13:19, 12 August 2020 (diff | hist) . . (+7) . . 2009 AMC 12B Problems
- 13:14, 12 August 2020 (diff | hist) . . (-22) . . 2009 AMC 12A Problems/Problem 23
- 13:13, 12 August 2020 (diff | hist) . . (-22) . . 2009 AMC 12A Problems (current)
- 13:08, 12 August 2020 (diff | hist) . . (+14) . . 2009 AMC 10B Problems
- 12:26, 12 August 2020 (diff | hist) . . (+45) . . 2020 AIME II Problems/Problem 13
- 12:25, 12 August 2020 (diff | hist) . . (+87) . . 2020 AIME II Problems/Problem 14
- 12:23, 12 August 2020 (diff | hist) . . (-11) . . 2020 AIME II Problems/Problem 5
- 12:22, 12 August 2020 (diff | hist) . . (+8) . . 2018 AIME II Problems/Problem 9
- 12:21, 12 August 2020 (diff | hist) . . (-827) . . 2018 AIME II Problems/Problem 9
- 12:20, 12 August 2020 (diff | hist) . . (-826) . . 2018 AIME II Problems
- 20:41, 11 August 2020 (diff | hist) . . (-48) . . 2016 AMC 12A Problems
- 16:33, 11 August 2020 (diff | hist) . . (+5) . . 2011 AMC 12A Problems
- 16:32, 11 August 2020 (diff | hist) . . (+5) . . 2011 AMC 12A Problems/Problem 22
- 16:32, 11 August 2020 (diff | hist) . . (0) . . 2011 AMC 12A Problems/Problem 22
- 15:15, 11 August 2020 (diff | hist) . . (+1) . . 2012 AIME I Problems/Problem 13
- 15:14, 11 August 2020 (diff | hist) . . (+9) . . 2012 AIME I Problems/Problem 13
- 15:14, 11 August 2020 (diff | hist) . . (+59) . . 2012 AIME I Problems/Problem 13
- 14:11, 11 August 2020 (diff | hist) . . (+118) . . 2018 AIME II Problems/Problem 6
- 20:00, 10 August 2020 (diff | hist) . . (0) . . 1999 AMC 8 Problems
- 20:00, 10 August 2020 (diff | hist) . . (0) . . 1999 AMC 8 Problems/Problem 24
- 20:00, 10 August 2020 (diff | hist) . . (0) . . 1999 AMC 8 Problems/Problem 24
- 19:57, 10 August 2020 (diff | hist) . . (+1) . . 2012 AMC 12B Problems/Problem 24
- 19:56, 10 August 2020 (diff | hist) . . (+1) . . 2012 AMC 12B Problems
- 19:56, 10 August 2020 (diff | hist) . . (-1) . . 2012 AMC 12B Problems/Problem 20
- 19:54, 10 August 2020 (diff | hist) . . (+48) . . 2012 AMC 12B Problems/Problem 17
- 19:50, 10 August 2020 (diff | hist) . . (-1) . . 2012 AMC 12B Problems/Problem 17
- 19:50, 10 August 2020 (diff | hist) . . (-26) . . 2012 AMC 12B Problems/Problem 17
- 19:49, 10 August 2020 (diff | hist) . . (+45) . . 2012 AMC 12B Problems/Problem 17
- 15:58, 10 August 2020 (diff | hist) . . (+11) . . 2017 AMC 12A Problems/Problem 10
- 15:56, 10 August 2020 (diff | hist) . . (+38) . . 2017 AMC 12A Problems/Problem 10
- 22:04, 9 August 2020 (diff | hist) . . (+44) . . 2015 AIME II Problems/Problem 8
- 21:57, 9 August 2020 (diff | hist) . . (+45) . . 2015 AIME II Problems/Problem 7
- 21:55, 9 August 2020 (diff | hist) . . (+44) . . 2015 AIME II Problems/Problem 6
- 21:02, 9 August 2020 (diff | hist) . . (+45) . . 2019 AIME II Problems/Problem 15
- 21:01, 9 August 2020 (diff | hist) . . (+50) . . 2019 AIME II Problems/Problem 14
- 21:01, 9 August 2020 (diff | hist) . . (+45) . . 2019 AIME II Problems/Problem 13
- 21:01, 9 August 2020 (diff | hist) . . (+32) . . 2019 AIME II Problems/Problem 11
- 21:00, 9 August 2020 (diff | hist) . . (+50) . . 2019 AIME II Problems/Problem 9
- 21:00, 9 August 2020 (diff | hist) . . (+45) . . 2019 AIME II Problems/Problem 7
- 20:59, 9 August 2020 (diff | hist) . . (+44) . . 2019 AIME II Problems/Problem 6
- 20:58, 9 August 2020 (diff | hist) . . (+50) . . 2019 AIME II Problems/Problem 4
- 20:57, 9 August 2020 (diff | hist) . . (+50) . . 2019 AIME II Problems/Problem 2
- 20:56, 9 August 2020 (diff | hist) . . (+45) . . 2019 AIME II Problems/Problem 1
- 20:54, 9 August 2020 (diff | hist) . . (+45) . . 2009 AIME II Problems/Problem 5 (current)
- 20:52, 9 August 2020 (diff | hist) . . (+45) . . 2009 AIME II Problems/Problem 15
- 20:51, 9 August 2020 (diff | hist) . . (+44) . . 2009 AIME II Problems/Problem 11
- 20:50, 9 August 2020 (diff | hist) . . (+50) . . 2009 AIME II Problems/Problem 6
- 20:48, 9 August 2020 (diff | hist) . . (+45) . . 2009 AIME II Problems/Problem 3
- 20:48, 9 August 2020 (diff | hist) . . (+44) . . 2009 AIME II Problems/Problem 2
- 20:47, 9 August 2020 (diff | hist) . . (-119) . . 2009 AIME II Problems/Problem 9
- 20:26, 9 August 2020 (diff | hist) . . (+45) . . 2009 AIME I Problems/Problem 15
- 20:26, 9 August 2020 (diff | hist) . . (+45) . . 2009 AIME I Problems/Problem 12
- 20:24, 9 August 2020 (diff | hist) . . (+44) . . 2009 AIME I Problems/Problem 7
- 20:24, 9 August 2020 (diff | hist) . . (+50) . . 2009 AIME I Problems/Problem 10
- 20:22, 9 August 2020 (diff | hist) . . (+7) . . 2009 AIME I Problems/Problem 10
- 20:21, 9 August 2020 (diff | hist) . . (+7) . . 2009 AIME I Problems
- 18:42, 9 August 2020 (diff | hist) . . (-4) . . 2009 AMC 10B Problems/Problem 20
- 14:58, 9 August 2020 (diff | hist) . . (0) . . 2009 AMC 12B Problems/Problem 14
- 14:56, 9 August 2020 (diff | hist) . . (+40) . . 2009 AMC 10B Problems/Problem 16
- 13:17, 9 August 2020 (diff | hist) . . (0) . . N 2021 AMC 12A Problems/Problem 13 (Created blank page)
- 13:17, 9 August 2020 (diff | hist) . . (+24) . . 2021 AIME I Problems/Problem 13
- 13:11, 9 August 2020 (diff | hist) . . (+44) . . 2012 AIME II Problems/Problem 13
- 13:04, 9 August 2020 (diff | hist) . . (+65) . . 2011 AIME II Problems/Problem 5
- 13:03, 9 August 2020 (diff | hist) . . (-3) . . 2011 AIME II Problems
- 13:03, 9 August 2020 (diff | hist) . . (+9) . . 2011 AIME II Problems/Problem 4
- 02:07, 9 August 2020 (diff | hist) . . (0) . . 2012 AMC 12A Problems
- 01:42, 9 August 2020 (diff | hist) . . (+2) . . 2020 AIME II Problems/Problem 14
- 00:58, 9 August 2020 (diff | hist) . . (+4) . . 2020 AIME II Problems
- 00:57, 9 August 2020 (diff | hist) . . (+66) . . N 2021 AIME I Problems (Created page with "Please do not post the problems until the test begins on March 10.")
- 15:39, 7 August 2020 (diff | hist) . . (+39) . . 2015 AIME II Problems/Problem 8
- 15:39, 7 August 2020 (diff | hist) . . (+161) . . 2015 AIME II Problems/Problem 8
- 15:34, 7 August 2020 (diff | hist) . . (-20) . . 2006 AIME I Problems/Problem 7
- 15:34, 7 August 2020 (diff | hist) . . (-21) . . 2006 AIME I Problems/Problem 7
- 14:54, 7 August 2020 (diff | hist) . . (-2) . . 2001 AMC 12 Problems/Problem 21
- 20:15, 6 August 2020 (diff | hist) . . (0) . . 1984 AIME Problems/Problem 15
- 20:03, 6 August 2020 (diff | hist) . . (-51) . . 2010 AIME I Problems/Problem 8
- 18:30, 6 August 2020 (diff | hist) . . (+58) . . 2020 AMC 12B Problems/Problem 7
- 18:29, 6 August 2020 (diff | hist) . . (+1) . . 2020 AMC 12B (current)
- 12:38, 6 August 2020 (diff | hist) . . (+79) . . N 2021 AMC 12A Answer Key (Created page with "Please do not post the problems or answers until the test begins on February 4.")
- 12:37, 6 August 2020 (diff | hist) . . (+68) . . N 2021 AMC 12A Problems (Created page with "Please do not post the problems until the test begins on February 4.")
- 12:31, 6 August 2020 (diff | hist) . . (+12) . . AoPS Wiki:Competition ratings
- 12:29, 6 August 2020 (diff | hist) . . (-49) . . AoPS Wiki:Competition ratings
- 21:19, 5 August 2020 (diff | hist) . . (-5) . . 2012 AMC 12A Problems/Problem 23
- 21:16, 5 August 2020 (diff | hist) . . (-4) . . 2012 AMC 12A Problems/Problem 18
- 21:12, 5 August 2020 (diff | hist) . . (-9) . . 2010 AMC 8 Problems (Undo revision 130593 by Leapfrog (talk)) (Tag: Undo)
- 00:42, 5 August 2020 (diff | hist) . . (-2) . . 2012 AMC 12A Problems/Problem 23
- 16:29, 4 August 2020 (diff | hist) . . (+34) . . 2021 AMC 10A Problems
- 16:29, 4 August 2020 (diff | hist) . . (-28) . . 2021 AMC 10A
- 16:27, 4 August 2020 (diff | hist) . . (+26) . . 2021 AMC 12A
- 16:26, 4 August 2020 (diff | hist) . . (+26) . . 2021 AMC 12B
- 16:26, 4 August 2020 (diff | hist) . . (+1) . . 2021 AMC 12B
- 16:26, 4 August 2020 (diff | hist) . . (+18) . . 2021 AMC 10B
- 01:21, 1 August 2020 (diff | hist) . . (-38) . . 2019 AIME I Problems/Problem 13
- 00:27, 31 July 2020 (diff | hist) . . (0) . . 2001 AIME II Problems/Problem 6
- 00:13, 31 July 2020 (diff | hist) . . (+63) . . 2019 AIME I Problems/Problem 6
- 00:12, 31 July 2020 (diff | hist) . . (-165) . . 2019 AIME I Problems/Problem 5
- 00:11, 31 July 2020 (diff | hist) . . (+69) . . 2019 AIME I Problems/Problem 5
- 00:10, 31 July 2020 (diff | hist) . . (+61) . . 2019 AIME I Problems/Problem 4
- 18:35, 30 July 2020 (diff | hist) . . (-10) . . 2019 AIME I Problems/Problem 3
- 18:34, 30 July 2020 (diff | hist) . . (-9) . . 2019 AIME I Problems/Problem 2
- 18:33, 30 July 2020 (diff | hist) . . (-9) . . 2019 AIME I Problems/Problem 1
- 14:46, 30 July 2020 (diff | hist) . . (-6) . . 2001 AIME II Problems/Problem 6
- 14:33, 30 July 2020 (diff | hist) . . (-14) . . 2019 AIME I Problems/Problem 15
- 14:32, 30 July 2020 (diff | hist) . . (+10) . . 2001 AIME I Problems/Problem 5
- 14:31, 30 July 2020 (diff | hist) . . (+3) . . 2019 AIME I Problems/Problem 15
- 14:31, 30 July 2020 (diff | hist) . . (+11) . . 2019 AIME I Problems/Problem 15
- 14:28, 30 July 2020 (diff | hist) . . (+4) . . 2019 AIME I Problems/Problem 15
- 15:53, 29 July 2020 (diff | hist) . . (+6) . . 2002 AMC 12B Problems/Problem 16 (Fixed category)
- 20:56, 28 July 2020 (diff | hist) . . (+26) . . 2014 AMC 8 Problems/Problem 18
- 19:57, 28 July 2020 (diff | hist) . . (+67) . . 2019 AIME I Problems/Problem 5
- 19:55, 28 July 2020 (diff | hist) . . (+67) . . 2019 AIME I Problems
- 19:47, 28 July 2020 (diff | hist) . . (0) . . 2009 AMC 12A Answer Key
- 19:47, 28 July 2020 (diff | hist) . . (0) . . 2009 AMC 10A Answer Key
- 19:45, 28 July 2020 (diff | hist) . . (-7) . . 2010 AIME I Problems/Problem 15
- 19:42, 28 July 2020 (diff | hist) . . (+13) . . 2010 AIME I Problems
- 19:42, 28 July 2020 (diff | hist) . . (-16) . . 2010 AIME I Problems
- 12:17, 28 July 2020 (diff | hist) . . (+37) . . 1987 AJHSME Problems/Problem 24 (current)
- 12:10, 28 July 2020 (diff | hist) . . (+23) . . 1987 AJHSME Problems/Problem 24
- 19:19, 27 July 2020 (diff | hist) . . (+48) . . 2014 AMC 8 Problems/Problem 18
- 18:51, 27 July 2020 (diff | hist) . . (+73) . . 2021 AMC 12B
- 18:48, 27 July 2020 (diff | hist) . . (+82) . . 2021 AMC 12A
- 01:08, 27 July 2020 (diff | hist) . . (+7) . . 2009 AIME II Problems
- 23:10, 26 July 2020 (diff | hist) . . (+56) . . 2021 AIME I Problems/Problem 2
- 23:09, 26 July 2020 (diff | hist) . . (+60) . . 2021 AIME I Problems/Problem 1
- 23:09, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 15 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 14 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 13 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 12 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 11 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 10 (Created blank page)
- 23:08, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 9 (Created blank page)
- 23:07, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 8 (Created blank page)
- 23:07, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 7 (Created blank page)
- 23:07, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 6 (Created blank page)
- 23:07, 26 July 2020 (diff | hist) . . (+68) . . AIME Problems and Solutions
- 23:00, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 5 (Created blank page)
- 23:00, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 4 (Created blank page)
- 23:00, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 3 (Created blank page)
- 23:00, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 2 (Created blank page)
- 22:59, 26 July 2020 (diff | hist) . . (0) . . N 2021 AIME I Problems/Problem 1 (Created blank page)
- 22:59, 26 July 2020 (diff | hist) . . (+6) . . 2021 AIME II
- 22:57, 26 July 2020 (diff | hist) . . (+1,089) . . N 2021 AIME II (Created page with "2021 AIME II problems and solutions. The test will be held on Thursday, April 1, 2021. The first link will contain the full s...")
- 22:49, 26 July 2020 (diff | hist) . . (+8) . . 2021 AIME I
- 21:33, 26 July 2020 (diff | hist) . . (+3) . . 2021 AMC 12A
- 21:33, 26 July 2020 (diff | hist) . . (+17) . . 2021 AMC 12A
- 21:32, 26 July 2020 (diff | hist) . . (0) . . 2021 AMC 12A
- 21:31, 26 July 2020 (diff | hist) . . (0) . . 2021 AMC 12A
- 21:31, 26 July 2020 (diff | hist) . . (0) . . 2021 AMC 12A
- 18:56, 26 July 2020 (diff | hist) . . (+75) . . 2018 AMC 10B Problems/Problem 16
- 16:38, 25 July 2020 (diff | hist) . . (+38) . . 2019 AIME I Problems/Problem 13
- 15:56, 25 July 2020 (diff | hist) . . (+6) . . 2012 AIME II (current)
- 15:55, 25 July 2020 (diff | hist) . . (+211) . . 2012 AIME II
- 01:24, 24 July 2020 (diff | hist) . . (+15) . . 2007 AMC 12B Problems/Problem 24
- 21:36, 23 July 2020 (diff | hist) . . (+76) . . 2018 AIME I Problems/Problem 7
- 21:34, 23 July 2020 (diff | hist) . . (+65) . . 2018 AIME I Problems/Problem 6
- 21:31, 23 July 2020 (diff | hist) . . (+65) . . 2018 AIME I Problems/Problem 5
(newest | oldest) View (newer 500 | older 500) (20 | 50 | 100 | 250 | 500)