User contributions
- 01:51, 18 January 2018 (diff | hist) . . (+16) . . 2012 AIME I Problems/Problem 7 (→Solution 3)
- 01:48, 18 January 2018 (diff | hist) . . (+12) . . 2012 AIME I Problems/Problem 7 (→Solution 3)
- 01:47, 18 January 2018 (diff | hist) . . (+1,291) . . 2012 AIME I Problems/Problem 7 (→Solutions)