The Soma Cube and Pentominoes — alaricstephen.com

Sep 26

Sep 26 The Soma Cube and Pentominoes

Mathematics, Puzzles

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7, 9, 12, ?, 24, 36, 56, 90

Sep 27 7, 9, 12, ?, 24, 36, 56, 90

Planes Around the World

Sep 25 Planes Around the World