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As the title suggests, this book is a comprehensive guide to mental arithmetic. It covers addition, subtraction, multiplication, and division, as well as fractions, decimals, and percentages. Written by George Albert Wentworth, a renowned mathematics professor, this book is a must-read for anyone looking to improve their mathematical skills.
Buchkauf
A Mental Arithmetic, George Albert Wentworth
- Sprache
- Erscheinungsdatum
- 2023
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- (Hardcover)
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