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 specia
โฆ LIBER โฆ
๐
Short-Cut Math
โ Scribed by Gerard W. Kelly
- Publisher
- Dover Publications
- Year
- 1984
- Tongue
- English
- Leaves
- 117
- Edition
- Revised
- Category
- Library
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<DIV>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 s
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๐ Dover Publications
๐ English
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"An unabridged and slightly revised republication of the edition first published by Sterling Publishing Co., Inc., N.Y., in 1969"--T.p. verso
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