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The Trachtenberg Speed System of Basic Mathematics
The Trachtenberg Speed System of Basic Mathematics
Author: Jakow Trachtenberg, Ann Cutler, Rudolph Mcshane
The complete system of the Trachtenberg method of mathematics which makes possible high-speed arithmetical calculations with a remarkable degree of accuracy.
ISBN-13: 9780285629165
ISBN-10: 0285629166
Publication Date: 6/29/1989
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Publisher: Souvenir Press Ltd
Book Type: Paperback
Other Versions: Hardcover
Members Wishing: 4
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