How to Calculate Quickly



Many useful procedures explained and taught: two-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful short cuts. More than 8,000 problems, with solutions.

Download:

Code:
http://hotfile.com/dl/19345384/32258...imple.rar.html
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Code:
http://rapidshare.com/files/315428285/calculate_quickly_dimple.rar
a quick thanks is appreciated :)

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