User contributions
- 14:04, 1 December 2013 (diff | hist) . . (0) . . 2012 AMC 12B Problems/Problem 1 (→Solution 2)
- 14:04, 1 December 2013 (diff | hist) . . (0) . . 2012 AMC 12B Problems/Problem 1 (→Solution 1)
- 14:04, 1 December 2013 (diff | hist) . . (-2) . . 2012 AMC 10B Problems (→Problem 1)
- 17:56, 27 November 2013 (diff | hist) . . (-99) . . Mass points
- 17:56, 27 November 2013 (diff | hist) . . (+100) . . Mass points
