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    Math tricks, brain twisters, and puzzles

    Posted By: MoneyRich
    Date: 4 Mar 2015 11:29:23
    Math tricks, brain twisters, and puzzles

    Math tricks, brain twisters, and puzzles by Joseph Degrazia
    English | 1981 | ISBN: 0517336499 | 158 pages | PDF | 6 MB

    This book is the result of twenty years of puzzle collecting. For these many years I have endeavored to gather everything belonging to the realm of mathematical entertainment from all available sources. As an editor of newspaper columns on scientific entertainment, I found my readers keenly interested in this kind of pastime, and these readers proved to be among my best sources for all sorts of problems, both elementary and intricate.

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