How to Calculate Quickly

Editora:

www.bnpublishing.com

Código:

491_9781607964209

Vendido e entregue por Um Livro

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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.

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