User contributions
- 12:53, 27 July 2012 (diff | hist) . . (+9) . . 2011 AMC 12A Problems/Problem 2 (→Solution)
- 15:31, 4 April 2012 (diff | hist) . . (+873) . . 2012 AIME II Problems/Problem 6
- 01:55, 1 May 2011 (diff | hist) . . (-1) . . 2011 AIME I Problems/Problem 11 (→Solution)
- 19:39, 30 April 2011 (diff | hist) . . (+1,922) . . 2011 AIME I Problems/Problem 10 (→Solution)