User contributions
- 17:58, 18 September 2013 (diff | hist) . . (+1) . . 2013 AMC 10B Problems (→Problem 13)
- 17:57, 18 September 2013 (diff | hist) . . (-21) . . 2013 AMC 10B Problems (→Problem 12)
- 17:51, 18 September 2013 (diff | hist) . . (-1) . . 2013 AMC 10B Problems (→Problem 13)
- 17:50, 18 September 2013 (diff | hist) . . (+21) . . 2013 AMC 10B Problems (→Problem 12)