1 January 2022

• 15:4015:40, 1 January 2022 diff hist +5,047 m 2018 AMC 8 Problems/Problem 24 Undo revision 169080 by Kandy 17 (talk) Maintained the funny solution. Tag: Undo
• 03:1903:19, 1 January 2022 diff hist +8 m 2021 Fall AMC 12A Problems/Problem 13 →Solution 1 (Angle Bisector Theorem)
• 02:4802:48, 1 January 2022 diff hist +14 m 2021 Fall AMC 12A Problems/Problem 24 →Solution 2
• 02:4502:45, 1 January 2022 diff hist −3 m 2021 Fall AMC 12A Problems/Problem 23 →Solution 2 (Vertex Form)
• 02:4402:44, 1 January 2022 diff hist +3 m 2021 Fall AMC 12A Problems/Problem 21 →Solution 3
• 02:4402:44, 1 January 2022 diff hist +2 m 2021 Fall AMC 12A Problems/Problem 21 →Solution 2
• 02:4402:44, 1 January 2022 diff hist −1 m 2021 Fall AMC 12A Problems/Problem 21 →Solution 1
• 02:4202:42, 1 January 2022 diff hist −11 m 2021 Fall AMC 12A Problems/Problem 21 →Solution 3(Solve the problem in seconds)
• 02:2802:28, 1 January 2022 diff hist 0 m 2021 Fall AMC 12A Problems/Problem 18 →Solution 1 (Multinomial Coefficients)
• 02:2602:26, 1 January 2022 diff hist 0 2021 Fall AMC 12A Problems/Problem 18 No edit summary
• 02:2502:25, 1 January 2022 diff hist +1 m 2021 Fall AMC 12A Problems/Problem 18 →Solution 1 (Multinomial Coefficients)
• 02:2302:23, 1 January 2022 diff hist −1 2021 Fall AMC 12A Problems/Problem 18 →Solution 1 (Multinomial Coefficients)
• 02:2102:21, 1 January 2022 diff hist +14 m 2021 Fall AMC 12A Problems/Problem 13 →Solution 3 (Analytic and Plane Geometry)
• 02:0302:03, 1 January 2022 diff hist −11 m 1993 AIME Problems/Problem 8 →Solution 4 (Extremely Bashy)
• 02:0202:02, 1 January 2022 diff hist +19 m 1993 AIME Problems/Problem 8 →Solution 2
• 02:0202:02, 1 January 2022 diff hist +15 m 1993 AIME Problems/Problem 8 →Solution 1

31 December 2021

• 03:0903:09, 31 December 2021 diff hist +4 m User:MRENTHUSIASM →Introduction
• 01:4201:42, 31 December 2021 diff hist −3 2020 AMC 8 Problems/Problem 1 Undo revision 168946 by Jellyfishmath1 (talk) Please stop the vandalism, thanks. Tag: Undo
• 01:3901:39, 31 December 2021 diff hist +15 1993 AIME Problems/Problem 8 Undo revision 168939 by Pianoboy (talk) Please follow the CONTENT STANDARD: https://artofproblemsolving.com/wiki/index.php/AoPS_Wiki:Contest_Problems_Standards. Thanks. Tag: Undo

30 December 2021

• 16:2216:22, 30 December 2021 diff hist −17 m 2021 AMC 10A Problems/Problem 11 →Solution 3 (Answer Choices)
• 11:5011:50, 30 December 2021 diff hist 0 m User:MRENTHUSIASM Undo revision 168919 by Unicorn29 (talk) Tag: Undo
• 11:3611:36, 30 December 2021 diff hist 0 m User:MRENTHUSIASM →User Count: Someone is messing around with user count. Changed it back. :)
• 03:1103:11, 30 December 2021 diff hist +4 m 2021 Fall AMC 10A Problems/Problem 16 →Solution 1 (Graphing)
• 02:4502:45, 30 December 2021 diff hist 0 2021 AIME I Problems/Problem 12 →Solution
• 02:4202:42, 30 December 2021 diff hist 0 2021 AIME I Problems/Problem 12 Undo revision 168909 by MRENTHUSIASM (talk) Tag: Undo
• 02:4202:42, 30 December 2021 diff hist 0 m 2021 AIME I Problems/Problem 12 →Solution
• 02:2102:21, 30 December 2021 diff hist +134 2021 AIME I Problems/Problem 12 →Solution: Improved clarity.

29 December 2021

• 18:4518:45, 29 December 2021 diff hist −1 2020 AMC 8 Problems Undo revision 168899 by Amyry (talk) Please--do not distort the original wording. Tag: Undo

28 December 2021

• 17:0717:07, 28 December 2021 diff hist −12 m 2020 AMC 10B Problems/Problem 13 →Solution 1 (Associative Property of Addition)
• 15:5215:52, 28 December 2021 diff hist +107 2020 AMC 8 Problems/Problem 1 Undo revision 168754 by Charvi104 (talk) Stopped the vandalism. Tag: Undo
• 13:2413:24, 28 December 2021 diff hist +35 2020 AMC 10B Problems/Problem 13 →Solution 1
• 13:2313:23, 28 December 2021 diff hist +10 m 2020 AMC 10B Problems/Problem 13 →Solution 2
• 10:5110:51, 28 December 2021 diff hist +1 2020 AMC 8 Problems Undo revision 168733 by Songsunny0108 (talk) Please stop vandalism. Thanks. Tag: Undo
• 01:4301:43, 28 December 2021 diff hist +13 2021 AMC 10A Problems/Problem 25 Prioritized solutions for 10th grades. I don't think derangement is AMC 10 concepts.
• 01:4001:40, 28 December 2021 diff hist +42 2021 AMC 10A Problems/Problem 25 →Solution 5 (Symmetry): Reformatted.
• 01:3501:35, 28 December 2021 diff hist 0 User:MRENTHUSIASM →AMC 10
• 01:3401:34, 28 December 2021 diff hist 0 2021 AMC 10A Problems/Problem 24 Rearranged the solutions based on titles. Let me know if you disagree ...
• 01:3301:33, 28 December 2021 diff hist +7 m 2021 AMC 12A Problems/Problem 23 →Solution 8 (Markov Chain)
• 01:3201:32, 28 December 2021 diff hist −10 m 2021 AMC 10A Problems/Problem 24 →Solution 7 (Slopes and Intercepts)
• 01:3201:32, 28 December 2021 diff hist +98 2021 AMC 10A Problems/Problem 24 →Solution 7 (Slopes and Intercepts): Reformatted.
• 01:2701:27, 28 December 2021 diff hist −24 2021 AMC 10A Problems/Problem 24 →Solution 7 (Slope and Intercept)
• 01:1101:11, 28 December 2021 diff hist +24 m 2021 AMC 12A Problems/Problem 23 →Solution 8 (Markov Chain)
• 01:1001:10, 28 December 2021 diff hist +8 m 2021 AMC 12A Problems/Problem 23 →Solution 8 (Markov Chain)
• 00:5000:50, 28 December 2021 diff hist −2 2020 AMC 10B Problems/Problem 13 →Solution 3: Reformatted the page a bit so we don't use the gray box.
• 00:4800:48, 28 December 2021 diff hist −1 m 2020 AMC 10B Problems/Problem 23 →Solution 7 (Group Theory)
• 00:4800:48, 28 December 2021 diff hist +50 2020 AMC 10B Problems/Problem 23 →Solution 7 (Group Theory): Reformatted the page and centered the important equations.
• 00:3600:36, 28 December 2021 diff hist 0 m 2020 AMC 8 Problems/Problem 23 →Solution 1 (complementary counting)
• 00:3500:35, 28 December 2021 diff hist 0 m 2020 AMC 8 Problems/Problem 23 →Problem
• 00:3500:35, 28 December 2021 diff hist 0 m 2020 AMC 8 Problems →Problem 23

25 December 2021

• 00:5900:59, 25 December 2021 diff hist +39 2020 AMC 10B Problems/Problem 23 →Solution 6 (Quick)