2023 RMO: Difference between revisions
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..." |
|||
| (15 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
==Problem 1== | ==Problem 1== | ||
==Problem 2== | ==Problem 2== | ||
