User contributions
- 11:14, 9 March 2018 (diff | hist) . . (-327) . . 1985 IMO Problems/Problem 1
- 10:18, 9 March 2018 (diff | hist) . . (-4) . . 1986 IMO Problems/Problem 1 (→Solution)
- 10:17, 9 March 2018 (diff | hist) . . (+5) . . m 1986 IMO Problems/Problem 1 (→Solution)