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Proof Without Words: The Cube as an Arithmetic Sum

by Robert Bronson (Muhlenburg College) and Christopher Brueningsen (Muhlenburg College)

This article originally appeared in:
Mathematics Magazine
December, 1990

Subject classification(s): Geometry and Topology | Geometric Proof | Numbers and Computation | Patterns and Sequences | Number Patterns
Applicable Course(s): 4.9 Geometry | 4.10 Math for High School Teachers

The author visually expresses the cube of a number as an arithmetic sum.

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