User contributions
- 09:09, 26 September 2021 (diff | hist) . . (+25) . . Math books (→Olympiad)
- 09:08, 26 September 2021 (diff | hist) . . (+96) . . Math books (→Olympiad)
- 09:10, 14 September 2021 (diff | hist) . . (+7) . . Polynomial (→The Fundamental Theorem of Algebra)