Speed Mathematics 2024 pdf epub mobi 电子书

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发表于2024-10-03

Speed Mathematics 2024 pdf epub mobi 电子书

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出版者:John Wiley & Sons Inc

作者:Handley, Bill

出品人:

页数:272

译者:

出版时间:2003-10

价格:$ 16.89

装帧:Pap

isbn号码:9780471467311

丛书系列:

图书标签: 学习方法

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Using this book will improve your understanding of math and have you performing like a genius! People who excel at mathematics use better strategies than the rest of us; they are not necessarily more intelligent. Speed Mathematics teaches simple methods that will enable you to make lightning calculations in your head-including multiplication, division, addition, and subtraction, as well as working with fractions, squaring numbers, and extracting square and cube roots. Here's just one example of this revolutionary approach to basic mathematics: 96 x 97 = Subtract each number from 100. 96 x 97 = 4 3 Subtract diagonally. Either 96--3 or 97-- 4. The result is the first part of the answer. 96 x 97 = 93 4 3 Multiply the numbers in the circles. 4 x 3 = 12. This is the second part of the answer. 96 x 97 = 9312 4 3 It's that easy!

Speed Mathematics 2024 pdf epub mobi 电子书

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