Crux Mathematicorum

Tome 46, Num. 8

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octobre, 2020

Page	Titre
333	Dedication
334	Fibonacci Plays Billiards — Elwyn Berlekamp and Richard Guy
348	Tribute — Bill Sands
349	MathemAttic: No. 18
349	Problems: MA86–MA90
352	Solutions: MA61–MA65
357	Problem Solving Vignettes: No. 13 — Shawn Godin
361	The Eugene Strens Collection — John McLoughlin
364	Olympiad Corner: No. 386
364	Problems: OC496–OC500
366	Solutions: OC471–OC475
373	Notes on a Sum Problem — Bill Sands
379	Squares near products of consecutive integers — Ed Barbeau
384	Squares with Large Digit Average — Matthieu Dufour and Silvia Heubach
390	An introduction of the problem of finding the chromatic number of the plane (I) — Veselin Jungić
397	De l’utilité d’une vieille curiosité grecque — Claude Goutier
404	Every positive integer is a sum of four squares — Michael Barr
408	Some memories of Richard Guy — Alex Fink
413	Cyclic Subtraction Set Games — Silvia Heubach, Melissa A. Huggan, Richard J. Nowakowski, Craig Tennenhouse
415	Problems: 4571–4580
420	Solutions: 4521–4530

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