Crux Mathematicorum
Vol. 47, No. 7
September, 2021
PageContents
326 MathemAttic: No.27
326 Problems: MA131-MA135
329 Solutions: MA106-MA110
333 Problem Solving Vignettes: No. 18 — Shawn Godin
338 Olympiad Corner: No. 395
338 Problems: OC541-OC545
340 Solutions: OC516-OC520
346 Focus on...: No. 47 — Michel Bataille
352 Problems: 4661-4670
357 Solutions: 4611-4620