User contributions
- 21:14, 13 January 2019 (diff | hist) . . (+5) . . Subtraction (current)
- 00:15, 5 January 2019 (diff | hist) . . (+148) . . 1993 AIME Problems/Problem 13 (→Solution 4)
- 00:11, 5 January 2019 (diff | hist) . . (+1,992) . . 1993 AIME Problems/Problem 13 (→Solution)