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2 November 2024
| N 06:16 | User:Fun88tccom (diff | hist) . . (+485) . . Fun88tccom (talk | contribs) (fun88tccom) |
| N 06:07 | 2023 RMO (diff | hist) . . (+379) . . Caladrius (talk | contribs) (Created page with "==Problem 1== Let <math>\mathbb{N}</math> be the set of all positive integers and <math>S = {(a,b,c,d) \in \mathbb{N}^{4} : a^{2} + b^{2} + c^{2} = d^{2}}</math>. Find the...") |
| 05:09 | Projective geometry (simplest cases) (diff | hist) . . (+1,275) . . Vvsss (talk | contribs) (→Projection of a circle into a circle) |
