Crux Mathematicorum
Vol. 47, No. 4
April, 2021
PageContents
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) — Salem Malikic
194 Further Properties of the Regular Heptagon — J. Chris Fisher
199 Problems: 4631-4640
204 Solutions: 4581-4590