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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
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Abstract

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

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