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Mathematical Brain-Teasers

Posted By: arundhati
Date: 29 Mar 2015 05:38:47
Mathematical Brain-Teasers

James A. H. Hunter, "Mathematical Brain-Teasers"
1976 | ISBN-10: 0486233472 | 111 pages | Djvu | 1 MB

150 tantalizing teasers including coin and change problems, relative ages, time and distance, and 40 alphametics—innovative letter substitutions. Solutions.

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