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Seller Description
Nerd alert! The last 1/3 of the book is an answer key, just in case your brain can’t solve these hundreds of math puzzles! A good-as-new book in pristine condition. This is the most popular puzzle book in the Soviet Union. Includes helpful illustrations. 1992 Edition. 310 pages.
Product Details
Overview
A collection of math and logic puzzles features number games, magic squares, tricks, problems with dominoes and dice, and cross sums, in addition to other intellectual teasers.
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