Rapid Math Without A Calculator
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Book Details
Author(s)Fredrick A. Collins
PublisherCitadel
ISBN / ASIN080652779X
ISBN-139780806527796
Sales Rank2,854,821
MarketplaceUnited States 🇺🇸
Description ▲
Demonstrates shortcuts in addition, subtraction, multiplication, and division, tells how to extract square and cube roots, and discusses mathematical tricks.