User contributions
- 18:15, 31 December 2019 (diff | hist) . . (-9) . . m 1991 AHSME Problems/Problem 19 (→Solution 2)
- 22:07, 6 January 2019 (diff | hist) . . (0) . . 1991 AHSME Problems/Problem 19 (→Solution 2)
- 21:07, 6 January 2019 (diff | hist) . . (+15) . . m 1991 AHSME Problems/Problem 19 (→Solution 2)
- 21:06, 6 January 2019 (diff | hist) . . (+585) . . m 1991 AHSME Problems/Problem 19 (→New easy solution by arjvik)