15 April 2021

• 23:4323:43, 15 April 2021 diff hist +3 2021 USAJMO Problems No edit summary
• 17:1417:14, 15 April 2021 diff hist −1 2021 USAJMO Problems No edit summary
• 17:1417:14, 15 April 2021 diff hist +283 2021 USAJMO Problems No edit summary

9 April 2021

• 22:4522:45, 9 April 2021 diff hist +1,593 N 2000 IMO Problems/Problem 5 Created page with "Does there exist a positive integer <math> n</math> such that <math> n</math> has exactly 2000 prime divisors and <math> n</math> divides <math> 2^n + 1</math>? ==Solution==..."
• 22:4422:44, 9 April 2021 diff hist −4,612 2000 IMO Problems/Problem 3 Blanked the page Tag: Blanking
• 22:4422:44, 9 April 2021 diff hist +1,380 2000 IMO Problems/Problem 3 No edit summary
• 22:4322:43, 9 April 2021 diff hist +3,232 N 2000 IMO Problems/Problem 3 Created page with "Let <math> n \geq 2</math> be a positive integer and <math> \lambda</math> a positive real number. Initially there are <math> n</math> fleas on a horizontal line, not all at t..."
• 22:4122:41, 9 April 2021 diff hist +1,225 N 1994 IMO Problems/Problem 2 Created page with "Let <math> ABC</math> be an isosceles triangle with <math> AB = AC</math>. <math> M</math> is the midpoint of <math> BC</math> and <math> O</math> is the point on the line <ma..."
• 22:4022:40, 9 April 2021 diff hist +2 1994 IMO Problems/Problem 1 No edit summary
• 22:4022:40, 9 April 2021 diff hist −3 1994 IMO Problems/Problem 1 No edit summary
• 22:3922:39, 9 April 2021 diff hist +1,857 1994 IMO Problems/Problem 1 No edit summary
• 22:3822:38, 9 April 2021 diff hist −1,318 1994 IMO Problems/Problem 1 Blanked the page Tag: Blanking
• 22:3822:38, 9 April 2021 diff hist +1,318 N 1994 IMO Problems/Problem 1 Created page with "Let <math>a_1, a_2, \dots a_m</math> satisfy the given conditions. We will prove that for all <math>j, 1 \le j \le m,</math> <cmath>a_j+a_{m-j+1} \ge n+1</cmath> WLOG, let <..."

25 March 2021

• 14:2714:27, 25 March 2021 diff hist +65 N 2022 AIME I Problems Created page with "The problem wouldn't come out until the 2022 AIME I has occurred."

23 March 2021

• 11:2211:22, 23 March 2021 diff hist 0 2021 AIME II Problems/Problem 7 →Solution 2 (Easy Algebra)
• 11:2111:21, 23 March 2021 diff hist +655 2021 AIME II Problems/Problem 7 →Solution 1
• 11:2111:21, 23 March 2021 diff hist −653 2021 AIME II Problems/Problem 7 →Solution (Easy Algebra)
• 11:2011:20, 23 March 2021 diff hist −97 2021 AIME II Problems/Problem 7 →Solution 1
• 11:2011:20, 23 March 2021 diff hist −4 2021 AIME II Problems/Problem 7 →Solution 1

22 March 2021

• 16:3416:34, 22 March 2021 diff hist −12 User:Math31415926535 No edit summary current
• 14:4914:49, 22 March 2021 diff hist +19 2021 AIME II Problems/Problem 7 →Solution
• 14:4914:49, 22 March 2021 diff hist +43 2021 AIME II Problems/Problem 7 →Solution
• 14:4414:44, 22 March 2021 diff hist +1,043 2021 AIME II Problems/Problem 7 →Solution
• 14:3414:34, 22 March 2021 diff hist −183 2021 AIME II Problems/Problem 6 →Solution
• 14:2414:24, 22 March 2021 diff hist +991 2021 AIME II Problems/Problem 6 →Solution
• 14:1714:17, 22 March 2021 diff hist +244 2021 AIME II Problems/Problem 6 →Problem
• 14:1614:16, 22 March 2021 diff hist +291 2021 AIME II Problems/Problem 4 →Problem
• 14:1514:15, 22 March 2021 diff hist +19 2021 AIME II Problems/Problem 3 →Solution
• 14:1414:14, 22 March 2021 diff hist +742 2021 AIME II Problems/Problem 3 →Solution
• 14:0914:09, 22 March 2021 diff hist +117 2021 AIME II Problems/Problem 3 →Problem
• 14:0814:08, 22 March 2021 diff hist +253 2021 AIME II Problems/Problem 1 →Solution
• 14:0614:06, 22 March 2021 diff hist +162 2021 AIME II Problems/Problem 1 →Problem

2 March 2021

• 12:3812:38, 2 March 2021 diff hist −136 AMC historical results No edit summary

22 February 2021

• 17:1317:13, 22 February 2021 diff hist 0 2021 AMC 10B Problems/Problem 18 →Solution 6(same as solution 1 but with a little more of explanation)
• 17:1317:13, 22 February 2021 diff hist +793 2021 AMC 10B Problems/Problem 18 No edit summary

17 February 2021

• 14:2314:23, 17 February 2021 diff hist +104 2019 AIME II Problems/Problem 14 No edit summary

11 February 2021

• 23:3923:39, 11 February 2021 diff hist −4 2010 AIME I Problems/Problem 8 →Problem

2 February 2021

• 14:1914:19, 2 February 2021 diff hist −19 2021 AMC 10B Problems/Problem 17 No edit summary
• 14:1714:17, 2 February 2021 diff hist −31 2021 AMC 10B Problems No edit summary

27 January 2021

• 20:4120:41, 27 January 2021 diff hist +47 N User:Icematrix Created page with "Check out his youtube channel! Its really good."
• 13:0313:03, 27 January 2021 diff hist +28 2016 AMC 10B Problems/Problem 24 →Solution 2 (Brute Force)

21 January 2021

• 19:1119:11, 21 January 2021 diff hist +34 2018 AMC 10A Problems/Problem 21 →Solution 3 (The simple one)

9 January 2021

• 21:5421:54, 9 January 2021 diff hist +10 2008 AMC 12A Problems/Problem 19 →Solution 1 current

7 January 2021

• 12:0412:04, 7 January 2021 diff hist +1 2020 AMC 12B Problems/Problem 22 →Solution 6(Simple)
• 12:0412:04, 7 January 2021 diff hist +7 2020 AMC 12B Problems/Problem 22 →Solution 6

3 January 2021

• 00:4300:43, 3 January 2021 diff hist +27 2020 AMC 12B Problems/Problem 22 No edit summary
• 00:4200:42, 3 January 2021 diff hist 0 2020 AMC 12B Problems/Problem 22 No edit summary
• 00:4100:41, 3 January 2021 diff hist +1,096 2020 AMC 12B Problems/Problem 22 No edit summary

27 December 2020

• 16:2916:29, 27 December 2020 diff hist −59 1988 IMO Problems/Problem 5 Blanked the page Tag: Blanking

22 December 2020

• 01:0201:02, 22 December 2020 diff hist −19 AMC historical results →2020