Crux Mathematicorum
Vol. 47, No. 4 |
April, 2021
| Page | Contents |
| 170 | MathemAttic: No. 24 |
| 170 | Problems: MA116-MA120 |
| 173 | Solutions: MA91-MA95 |
| 178 | Olympiad Corner: No. 392 |
| 178 | Problems: OC526-OC530 |
| 180 | Solutions: OC501-OC505 |
| 187 | Equations involving positive divisors of a given integer (Part I) |
| 194 | Further Properties of the Regular Heptagon |
| 199 | Problems: 4631-4640 |
| 204 | Solutions: 4581-4590 |
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