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- 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
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