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The Trachtenberg Speed System of Basic Mathematics
Ann Cutler (Author)
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Praeger
· Hardcover
The Trachtenberg Speed System of Basic Mathematics - Ann Cutler
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Origin: U.S.A.
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Wednesday, June 26.
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Synopsis "The Trachtenberg Speed System of Basic Mathematics"
The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy.This method is not only speedy but simple. Once one has mastered the rules, lightning calculation is as easy as reading a story. It looks like magic, but the rules are based on sound logic.
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All books in our catalog are Original.
The book is written in English.
The binding of this edition is Hardcover.
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