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106.16 Sums of Hex numbers are cubes − a planar Proof without Words

Published online by Cambridge University Press:  24 February 2022

Stephan Berendonk*
Affiliation:
Didaktik der Mathematik, Universität Duisburg-Essen, 45127Essen, Germany e-mail: stephan.berendonk@uni-due.de

Abstract

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Type
Notes
Copyright
© The Authors, 2022. Published by Cambridge University Press on behalf of The Mathematical Association

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References

Guy, Richard K., The Strong Law of Small Numbers, The American Mathematical Monthly, 95 (8) (1988) pp. 701707.10.1080/00029890.1988.11972074CrossRefGoogle Scholar
Nelsen, Roger B., Proofs Without Words: Exercises in Visual Thinking, The Mathematical Association of America (1993) p. 109.Google Scholar