User contributions
- 14:32, 29 January 2022 (diff | hist) . . (-4) . . Constructive counting (→Resources)
- 14:29, 29 January 2022 (diff | hist) . . (-13) . . m Constructive counting
- 17:13, 3 January 2022 (diff | hist) . . (+1) . . m Vieta's formulas
- 19:21, 17 October 2021 (diff | hist) . . (-57) . . m Resources for mathematics competitions (→Training Websites)
- 19:19, 17 October 2021 (diff | hist) . . (+74) . . Resources for mathematics competitions (→Training Websites)