Speed Mathematics: Secret Skills for Quick Calculation

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Uploaded: 06.04.2016
Content: Хэндли, Билл 'Считайте в уме как компьютер' [2006].djvu (3678,24 kB)

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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.

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351 p. DJVU

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Seller will give you a gift certificate in the amount of 12,5 RUB for a positive review of the product purchased..
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