More than 60 new puzzles and stunts based on the properties of numbers. Easy techniques for multiplyingarge numbers mentally, identifying unknown numbers, determining the date of any day in any year, such entertainments as Theost Digit, and Psychic Bridge. Over 30 pages of magic squares, triangles, cubes, more. 76 illustrations.
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Vendeur : Better World Books, Mishawaka, IN, Etats-Unis
Etat : Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. N° de réf. du vendeur 64412779-6
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