Short-Cut Math

Short-Cut Math

Editorial Reviews
Book Description
Clear, concise compendium of about 150 timesaving math short-cuts—faster, easier ways to add, subtract, multiply and divide. Each problem includes an explanation of the method, a step-by-step solution, the short-cut solution, and proof and an explanation of why it works. No special math ability needed.

Short-Cut Math,Gerard W. Kelly,Dover Publications,0486246116,Arithmetic,General,Mathematics,Ready-reckoners,Science/Mathematics,Science / General

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