A Complete System of Mental Arithmetic
James Ferguson
Gebundenes Buch

A Complete System of Mental Arithmetic

Embracing Every Variety of Commercial Calculation Necessary for the Counting-House and Shop

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Improve your mental math skills with this comprehensive guide to arithmetic. James Ferguson covers addition, subtraction, multiplication, and division using a variety of techniques. With practice problems and detailed explanations, readers will gain the skills and confidence needed to solve complex math problems in their heads. This book is an essential resource for students and anyone looking to improve their math skills. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in...