User contributions
- 15:32, 29 January 2022 (diff | hist) . . (-4) . . Constructive counting (→Resources)
- 15:29, 29 January 2022 (diff | hist) . . (-13) . . m Constructive counting
- 18:13, 3 January 2022 (diff | hist) . . (+1) . . m Vieta's formulas
- 20:21, 17 October 2021 (diff | hist) . . (-57) . . m Resources for mathematics competitions (→Training Websites)
- 20:19, 17 October 2021 (diff | hist) . . (+74) . . Resources for mathematics competitions (→Training Websites)