Knotty Number Problems & Other Puzzles

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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 went into creating two tessellation patterns. It takes mental gymnastics to rearrange a human tower of 36 red and blue acrobats so that they fulfill a set of rules about where they stand and who they stand next to. Calculate how many different ways the ...

Knotty Number Problems & Other Puzzles 2005, Sterling Publishing (NY), New York, NY

ISBN-13: 9781402723445

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