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Short-Cut Math by Gerard W. Kelly ISBN: 0486246116 Dover Publications Price: $3.95 click here to see this book 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. Table of Contents for Short-Cut Math INTRODUCTION I. FUNDAMENTALS OF SHORT-CUT METHODS II. ADDITION III. SUBTRACTION IV. MULTIPLICATION V. DIVISION VI. "FRACTIONS, MIXED NUMBERS, AND PERCENTAGES" INDEX

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