User contributions
- 21:17, 8 November 2012 (diff | hist) . . (-2,504) . . 2011 AMC 8 Problems (→Problem 7)
- 21:17, 8 November 2012 (diff | hist) . . (+2,504) . . 2011 AMC 8 Problems (→Problem 7)
- 21:17, 8 November 2012 (diff | hist) . . (+197) . . 2011 AMC 8 Problems (→Problem 7)