User contributions
This user is currently blocked. The latest block log entry is provided below for reference:
(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)
- 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
(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)