Short-Cut Math, Gerard Kelly
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Gerard Kelly

Short-Cut Math

Clear, concise compendium of about 150 time-saving math short-cuts features 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, as well as an explanation of why it works. No special math ability needed.
348 štampanih stranica
Prvi put objavljeno
2020

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