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Description du livre Etat : New. Brand New! Not Overstocks or Low Quality Book Club Editions! Direct From the Publisher! We're not a giant, faceless warehouse organization! We're a small town bookstore that loves books and loves it's customers! Buy from Lakeside Books!. N° de réf. du vendeur OTF-S-9780486246116
Description du livre Etat : New. Brand New. N° de réf. du vendeur 0486246116
Description du livre Paperback. Etat : New. Brand New!. N° de réf. du vendeur 0486246116
Description du livre Etat : New. N° de réf. du vendeur 443580-n
Description du livre Paperback. Etat : new. Paperback. 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. No special math ability needed. Can you multiply 362 x .5 quickly in your head? Could you readily calculate the square of 41? How much is 635 divided by 2? Can 727,648 be evenly divided by 8? If any of these questions took you more than a few seconds to solve, you need this book. Short-Cut Math is a concise, remarkably clear compendium of about 150 math short-cuts - timesaving tricks that provide faster, easier ways to add, subtract, multiply, and divide. By using the simple foolproof methods in this volume, you can double or triple your calculation speed - even if you always hated math in school. Here's a sampling of the amazingly effective techniques you will learn in minutes: Adding by 10 Groups; No-Carry Addition; Subtraction Without Borrowing; Multiplying by Aliquot Parts; Test for Divisibility by Odd and Even Numbers; Simplifying Dividends and Divisors; Fastest Way to Add or Subtract Any Pair of Fractions; Multiplying and Dividing with Mixed Numbers, and more. The short-cuts in this book require no special math ability. If you can do ordinary arithmetic, you will have no trouble with these methods. There are no complicated formulas or unfamiliar jargon - no long drills or exercises. For each problem, the author provides an explanation of the method and a step-by-step solution. Then the short-cut is applied, with a proof and an explanation of why it works. Students, teachers, businesspeople, accountants, bank tellers, check-out clerks - anyone who uses numbers and wishes to increase his or her speed and arithmetical agility, can benefit from the clear, easy-to-follow techniques given here. 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. No special math ability needed. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. N° de réf. du vendeur 9780486246116
Description du livre PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur IB-9780486246116
Description du livre Etat : New. . N° de réf. du vendeur 52GZZZ01WJ80_ns
Description du livre Paperback. Etat : New. N° de réf. du vendeur book-4-4-18-3
Description du livre Etat : New. pp. 112 Index. N° de réf. du vendeur 26782822
Description du livre paperback. Etat : New. Language: ENG. N° de réf. du vendeur 9780486246116