Mathematical Puzzles and Other Brain Teasers
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Mathematical Puzzles and Other Brain Twisters
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100 Puzzles: How to Make and Solve Them
$23.19
100 Puzzles, How to Make and How to Solve Them, by Anthony S. Filipiak
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Mathematical Puzzles And Other Brain Twisters
$6.69 - $25.95
Mathematical Puzzles: And Other Brain Twisters
$37.95