User contributions
- 10:27, 1 March 2016 (diff | hist) . . (-9) . . 2008 AIME II Problems/Problem 13 (→Solution 1)
- 10:22, 1 March 2016 (diff | hist) . . (+9) . . m 2008 AIME II Problems/Problem 13 (→Solution 1)
- 10:21, 1 March 2016 (diff | hist) . . (+13) . . 2008 AIME II Problems/Problem 13 (→Solution 1)
- 10:20, 1 March 2016 (diff | hist) . . (-19) . . m 2008 AIME II Problems/Problem 13 (→Solution 1)