ENGLISH

Rapid Math Tricks and Tips

By Edward H. Julius

Book information

Year
1992
ISBN
0471575631
Language
english
Format
PDF
Filesize
48 MB (50568753 bytes)
Pages
229\241
Time added
2021-01-08 12:58:50
math maths mathematics study learning

Description

With Professor Ed Julius' thirty-day Number Power Program, you'll learn how to whiz through common (and some not so common) math problems without a calculator. In fact, with the fun, easy-to-learn techniques in this book, you'll be able to master difficult problems in addition, subtraction, multiplication, and division - often in less time than it takes to use a calculator! For example, you can multiply any two-digit number (let's say, 45) by 11 simply by splitting apart the two digits, adding them, and then putting the sum in the middle (45 x 11 = 495 because 4 + 5 = 9). It's that easy!

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