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• 13:59, 9 December 2019 (diff | hist) . . (-212)‎ . . 2009 AMC 10B Problems/Problem 21 ‎ (Solution 3 is incorrect)
• 13:43, 29 November 2019 (diff | hist) . . (-574)‎ . . 2005 AMC 12B Problems/Problem 11 ‎ (Solution 3 is incorrect. Cannot simply apply expected value arguments like that.)
• 01:23, 27 November 2019 (diff | hist) . . (-314)‎ . . 2019 AMC 8 Problems/Problem 13 ‎ (solutions 1&2 identical; for completeness, solution should check that 110 actually works)
• 17:52, 25 November 2019 (diff | hist) . . (+98)‎ . . 2019 AMC 8 Problems/Problem 25 ‎ (→‎Solution 1: improve clarity, rigor of solution 1)
• 22:56, 23 November 2019 (diff | hist) . . (+947)‎ . . 2002 AMC 12A Problems/Problem 16 ‎ (→‎Solution 3: existing solution 3 does not justify the symmetry, and we can't say in general that just because E(Tina's sum) = 6, we can just look for the probability that Sergio's # is >6.)
• 16:08, 22 November 2019 (diff | hist) . . (+56)‎ . . 2019 AMC 8 Problems/Problem 20 ‎ (condense solutions 1 and 2 to a more complete solution. Simply stating that the equation is quartic is not sufficient to show there are 4 real solutions.)
• 03:24, 22 November 2019 (diff | hist) . . (-12)‎ . . m 2019 AMC 8 Problems/Problem 23 ‎ (→‎Solution 2: simplify solution 2 a bit)
• 03:20, 22 November 2019 (diff | hist) . . (+13)‎ . . 2019 AMC 8 Problems/Problem 23 ‎ (→‎Solution 2)
• 03:20, 22 November 2019 (diff | hist) . . (+669)‎ . . 2019 AMC 8 Problems/Problem 23 ‎ (→‎Solution 1: alternate solution)
• 03:04, 22 November 2019 (diff | hist) . . (-109)‎ . . 2019 AMC 8 Problems/Problem 20 ‎ (Solution 2 is incorrect as the fact that it is a quartic does not imply all 4 solutions are real.)
• 18:47, 31 August 2019 (diff | hist) . . (-167)‎ . . 2000 AMC 8 Problems ‎ (→‎Problem 6)
• 18:47, 31 August 2019 (diff | hist) . . (+196)‎ . . 2000 AMC 8 Problems ‎ (→‎Problem 6)
• 14:09, 30 May 2019 (diff | hist) . . (+348)‎ . . m 2017 AMC 10A Problems/Problem 25 ‎ (Undo revision 106043 by Scrabbler94 (talk)) (Tag: Undo)
• 14:08, 30 May 2019 (diff | hist) . . (-346)‎ . . 2017 AMC 10A Problems/Problem 25 ‎ (solution 4 is incorrect, since not every multiple of 11 has at most 3 permutations (e.g. 132 has six))
• 11:32, 4 May 2019 (diff | hist) . . (-71)‎ . . AoPS Wiki:FAQ ‎ (→‎The sit admins are being mean)
• 00:34, 19 April 2019 (diff | hist) . . (+3,789)‎ . . 2019 USAJMO Problems/Problem 1 ‎ (→‎Solution: add solution)
• 17:05, 22 March 2019 (diff | hist) . . (+1,656)‎ . . 2019 AIME II Problems/Problem 12 ‎ (→‎Solution: add solution)
• 16:17, 22 March 2019 (diff | hist) . . (+452)‎ . . 2019 AIME II Problems/Problem 12 ‎ (add problem)
• 16:05, 22 March 2019 (diff | hist) . . (+486)‎ . . 2019 AIME II Problems/Problem 10 ‎ (add problem)
• 16:04, 22 March 2019 (diff | hist) . . (+1,705)‎ . . 2019 AIME II Problems/Problem 9 ‎ (add solution)
• 15:43, 22 March 2019 (diff | hist) . . (+1,309)‎ . . 2019 AIME II Problems/Problem 8 ‎ (add solution)
• 15:29, 22 March 2019 (diff | hist) . . (+2,183)‎ . . 2019 AIME II Problems/Problem 4 ‎ (add solution)
• 15:20, 22 March 2019 (diff | hist) . . (+73)‎ . . 2019 AIME II Problems/Problem 3 ‎ (add AIME box)
• 15:16, 22 March 2019 (diff | hist) . . (+945)‎ . . 2019 AIME II Problems/Problem 3 ‎ (add solution)
• 12:57, 15 March 2019 (diff | hist) . . (+869)‎ . . 2019 AIME I Problems/Problem 6 ‎ (→‎Solution (Similar triangles): add alternate solution)
• 17:00, 16 February 2019 (diff | hist) . . (-89)‎ . . m 2019 AMC 10B Problems/Problem 23 ‎ (→‎Solution 3)
• 14:51, 14 February 2019 (diff | hist) . . (+178)‎ . . 2019 AMC 12B Problems/Problem 19 ‎ (add choices)
• 14:47, 14 February 2019 (diff | hist) . . (+13)‎ . . 2019 AMC 12B Problems/Problem 13 ‎ (→‎Solution 2 (variant))
• 14:47, 14 February 2019 (diff | hist) . . (+665)‎ . . 2019 AMC 12B Problems/Problem 13 ‎ (→‎Solution: alternate solution)
• 14:40, 14 February 2019 (diff | hist) . . (+118)‎ . . 2019 AMC 12B Problems/Problem 14 ‎ (previous answer was incorrect)
• 14:31, 14 February 2019 (diff | hist) . . (+118)‎ . . 2019 AMC 12B Problems/Problem 14 ‎ (→‎Problem: add choices)
• 14:27, 14 February 2019 (diff | hist) . . (+76)‎ . . 2019 AMC 10B Problems/Problem 16 ‎ (→‎Solution)
• 14:25, 14 February 2019 (diff | hist) . . (+1,170)‎ . . 2019 AMC 10B Problems/Problem 16 ‎ (add solution)
• 16:42, 25 January 2019 (diff | hist) . . (-21)‎ . . User:Scrabbler94 ‎
• 13:26, 22 January 2019 (diff | hist) . . (+173)‎ . . m Mock MathCounts ‎ (→‎State: urls to answers/results)
• 01:22, 14 January 2019 (diff | hist) . . (+152)‎ . . m AoPS Past Contests ‎ (→‎Mock Contests: add ref to mock contests forum)
• 20:53, 3 January 2019 (diff | hist) . . (+233)‎ . . Mock AMC ‎ (link to Mock Contests forum, clarify that AMC refers to the American Mathematics Competitions)
• 20:50, 3 January 2019 (diff | hist) . . (+258)‎ . . Mock MathCounts ‎ (→‎Past Mock MATHCOUNTS: 1-5 difficulty obsolete; add another mock MATHCOUNTS; also include ongoing contests)
• 20:50, 1 January 2019 (diff | hist) . . (-18)‎ . . User:Scrabbler94 ‎
• 01:01, 27 December 2018 (diff | hist) . . (+132)‎ . . m User:Scrabbler94 ‎ (upcoming mock contest)
• 18:00, 26 November 2018 (diff | hist) . . (-887)‎ . . 2018 AMC 8 Problems/Problem 22 ‎ (solution 1.5 is almost exactly the same as solution 1)
• 01:37, 22 November 2018 (diff | hist) . . (+246)‎ . . m Mock MathCounts ‎ (usually stylized as MATHCOUNTS, not MathCounts.)
• 18:48, 21 November 2018 (diff | hist) . . (+535)‎ . . m 2017 USAMO Problems/Problem 2 ‎ (→‎Problem: added full text of problem) (current)
• 18:46, 21 November 2018 (diff | hist) . . (+47)‎ . . m User:Scrabbler94 ‎
• 17:33, 21 November 2018 (diff | hist) . . (+978)‎ . . 2018 AMC 8 Problems/Problem 19 ‎ (→‎Solution: previous solution was quite poor as it's not immediately obvious why half of all assignments of +/- give a + on top.)
• 17:22, 21 November 2018 (diff | hist) . . (+737)‎ . . 2018 AMC 8 Problems/Problem 22 ‎ (→‎Problem 22: add solution)
• 20:54, 1 November 2018 (diff | hist) . . (-1,155)‎ . . Pythagorean Theorem ‎ (Undo revision 98298 by Yeskay (talk))
• 10:16, 23 October 2018 (diff | hist) . . (-378)‎ . . 2017 AMC 8 Problems/Problem 7 ‎ (Deleted sol. 3 as it is essentially the same as sol. 1)
• 18:43, 19 September 2018 (diff | hist) . . (+738)‎ . . AoPS Wiki:FAQ ‎ (add FAQ on mock contests, expand LaTeX)
• 16:12, 17 July 2018 (diff | hist) . . (+235)‎ . . 2013 AMC 10A Problems/Problem 14 ‎ (→‎Solution: alternate solution)

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