Dover Short-Cut Math

by Dover
Save 9%
$4.95
$4.50
SKU 13709

A concise, remarkably clear, compendium of about 150 math shortcuts. Timesaving tricks that provide faster, easier ways to add, subtract, multiply, and divide. If you can do ordinary arithmetic, you will have no trouble with these methods. 112 pages, paperback, 5 1/4"x8 1/2".

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