Books :HOW TO USE A CHINESE ABACUS: A step-by-step...

Lulu.com wrote: HOW TO USE A CHINESE ABACUS: A step-by-step guide to addition, subtraction, multiplication, division, roots and more.This book will teach you step-by-step how to perform addition, subtraction, division, multiplication, square roots and cube roots on a Chinese abacus. It also explains the ancient ´extra bead´ method and the ´suspended bead´ method. Great for both children and adults. Clearly explained with text and pictures throughout every stage of your...

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