User contributions
- 14:01, 18 March 2011 (diff | hist) . . (0) . . m 2009 AIME I Problems/Problem 13 (→Solution: typo fixed.)
- 14:01, 18 March 2011 (diff | hist) . . (0) . . m 2009 AIME I Problems/Problem 13
- 11:36, 12 March 2011 (diff | hist) . . (+14) . . m 2010 AIME II Problems/Problem 10
- 11:34, 12 March 2011 (diff | hist) . . (+14) . . m 2010 AIME II Problems/Problem 10 (Fixed a minor mistake in solution 2.)