User contributions
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- 18:53, 22 November 2013 (diff | hist) . . (+485) . . 2013 AMC 12A Problems/Problem 14
- 18:11, 22 November 2013 (diff | hist) . . (+554) . . 2013 AMC 12A Problems/Problem 6
- 10:34, 16 February 2010 (diff | hist) . . (+846) . . 2010 AMC 12A Problems/Problem 3
- 10:24, 16 February 2010 (diff | hist) . . (+729) . . 2010 AMC 12A Problems/Problem 9 (→Solution)
- 10:09, 16 February 2010 (diff | hist) . . (+463) . . 2010 AMC 12A Problems/Problem 12
- 10:00, 16 February 2010 (diff | hist) . . (+1,049) . . 2010 AMC 12A Problems/Problem 13 (→Solution)
- 09:26, 16 February 2010 (diff | hist) . . (+134) . . 2010 AMC 12A Problems/Problem 15 (→Solution)
- 09:19, 16 February 2010 (diff | hist) . . (+1,479) . . 2010 AMC 12A Problems/Problem 18 (→Brute Force Solution)
- 08:46, 16 February 2010 (diff | hist) . . (+1,182) . . 2010 AMC 12A Problems/Problem 20 (→Solution)
- 08:02, 16 February 2010 (diff | hist) . . (+2,654) . . 2010 AMC 12A Problems/Problem 22 (→Solution)
- 21:05, 26 September 2009 (diff | hist) . . (+1,162) . . 1976 IMO Problems/Problem 1 (→Solution) (current)
- 12:23, 6 June 2009 (diff | hist) . . (+38) . . m 2006 AMC 10A Problems/Problem 16 (→Solution)
- 21:43, 18 April 2009 (diff | hist) . . (+2,251) . . 2009 AIME II Problems/Problem 13
- 10:58, 15 April 2009 (diff | hist) . . (-1) . . m 2009 AIME II Problems/Problem 14 (→Solution 2)
- 10:53, 15 April 2009 (diff | hist) . . (+3,137) . . 1988 AJHSME Problems/Problem 24 (fixed an incorrect answer)
- 15:07, 14 April 2009 (diff | hist) . . (+4,220) . . N 2009 AIME II Problems/Problem 14 (New page: == Problem == The sequence <math>(a_n)</math> satisfies <math>a_0=0</math> and <math>a_{n + 1} = \frac85a_n + \frac65\sqrt {4^n - a_n^2}</math> for <math>n\geq 0</math>. Find the greatest ...)
- 08:36, 14 April 2009 (diff | hist) . . (+2,543) . . 2009 AIME II Problems
- 12:00, 13 April 2009 (diff | hist) . . (+2,716) . . N 2009 AIME II Problems/Problem 7 (New page: == Problem == Define <math>n!!</math> to be <math>n(n-2)(n-4)\cdots 3\cdot 1</math> for <math>n</math> odd and <math>n(n-2)(n-4)\cdots 4\cdot 2</math> for <math>n</math> even. When <math>\...)
- 13:49, 9 April 2009 (diff | hist) . . (+2,543) . . N 2009 AIME II Problems/Problem 12 (New page: == Problem == From the set of integers <math>\{1,2,3,\dots,2009\}</math>, choose <math>k</math> pairs <math>\{a_i,b_i\}</math> with <math>a_i<b_i</math> so that no two pairs have a common ...)
- 13:19, 9 April 2009 (diff | hist) . . (+339) . . 2009 AIME II Problems
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