How to Calculate Quickly
How to Calculate Quickly
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Description
Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions. 1945 edition.
Details
ISBN
9780486202952
Publishers
Dover Publications Inc.
Book info
Height: 202 mm
Width: 138 mm
Published Date
