Category: proof without words

Teaching Kids Programming – How Many Solvable Permutations for a 3×3 Rubik’s Cube? (Math, Combinatorics)

March 20, 2022 Combinatoric Mathematics, math, proof without words, Rubik Cubes, teaching kids programming, tutorial No Comments

Teaching Kids Programming: Videos on Data Structures and Algorithms Given a 3×3 Rubik Cube, how many Permutations does it have (solvable)? There are 6 cores (the pieces in the …

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Proof without Words

November 9, 2012 math, proof without words No Comments

Hint: Considering adding the gray triangles … Hint: Considering adding the gray rectangles … –EOF (The Ultimate Computing & Technology Blog) — 76 words The Permanent URL is: Proof …

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Proof without Words: 1 + 2 + 3 + .. (n – 1) = Cn2

October 10, 2012 math, proof without words No Comments

Google ‘Proof without Words‘ you will find some interesting figures that are easy to understand. For example, the following figure is a vivid proof of the math formula Hint: …

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