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Knotty Number Problems & Other Puzzles

Edition Description

Take an appealingly illustrated fun test of your perceptual ability, math smarts, and knowledge combinations and probabilities. See how fast your eyes can discern the one sulking face nearly hidden in a large group of smiling "Spikeheads." Figure out how many different shapes...

Edition Details

Format:Paperback

Language:English

ISBN:140272344X

Format: Paperback

Condition:

8.19

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Knotty Number Problems & Other Puzzles

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