User contributions
- 06:18, 17 July 2025 (diff | hist) . . (+13) . . 1999 IMO Problems/Problem 4 (→Solution) (current)
- 06:17, 17 July 2025 (diff | hist) . . (+1,458) . . 1999 IMO Problems/Problem 4
- 05:17, 20 February 2025 (diff | hist) . . (-20) . . 2006 IMO Problems (→Problem 4) (current)
- 05:17, 20 February 2025 (diff | hist) . . (+20) . . 2006 IMO Problems (→Problem 4)