User contributions
- 12:56, 16 January 2018 (diff | hist) . . (+1) . . m 2012 AMC 10A Problems/Problem 20 (→Solution 2)
- 12:49, 16 January 2018 (diff | hist) . . (+12) . . m 2012 AMC 10A Problems/Problem 20 (→Solution 2)
- 16:08, 8 January 2018 (diff | hist) . . (+2) . . m 2012 AMC 10B Problems/Problem 23 (→Solution 1)
