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How to Calculate Quickly: Full Course in Speed Arithmetic

Author Sticker, Henry
Publisher Snowball Publishing
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Book Details
ISBN / ASIN1607964201
ISBN-139781607964209
AvailabilityAvailable to ship in 1-2 days.
Sales Rank1,559,431
MarketplaceUnited States 🇺🇸

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.