Short-Cut Mathematics Kelly G. W.Paperback
Short-Cut Mathematics Kelly G. W.Paperback Can you multiply 362 x .5 quickly in your head? How much is 635 divided by 21/2? Could you readily calculate the square of 41? Short-Cut Math is a concise,…
Specifikacia Short-Cut Mathematics Kelly G. W.Paperback
Short-Cut Mathematics Kelly G. W.Paperback
Can you multiply 362 x .5 quickly in your head? How much is 635 divided by 21/2? Could you readily calculate the square of 41?
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. 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. 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
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