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Challenging Mathematical Teasers (1980)
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Amazon.com Product Description (ISBN 0486238520, Paperback)
100 tough story teasers for the jaded. More difficult algebraically than typical puzzles, and ideal for confirmed puzzle fanatic, but appendices help less experienced. Step-by-step solutions to all 100 puzzles. Also 40 new alphametics — solvable by simple arithmetic and logical reasoning — with answers, and two sample solutions.
(retrieved from Amazon Thu, 12 Mar 2015 18:14:05 -0400)
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