User contributions
- 13:57, 19 April 2007 (diff | hist) . . (-52) . . 2006 AMC 12A Problems (→Problem 13)
- 13:45, 19 April 2007 (diff | hist) . . (+1) . . 2006 AMC 12A Problems
- 13:44, 19 April 2007 (diff | hist) . . (+79) . . 2006 AMC 12A Problems
