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Unknown Language (3)
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Mathemagic: Magic, Puzzles and Games with Numbers
Paperback, 128 pages, published in 1953 by Dover Publications. | see this at Amazon.com »
ISBN: 0486201104
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Mathemagic: magic, puzzles, and games with numbers;
Hardcover, 126 pages, published in 1953 by Dover Publications. | see this at Amazon.com »
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