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The Trachtenberg Speed System of Basic Mathematics
The Trachtenberg Speed System of Basic Mathematics
PRAEGER FREDERICK A
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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.Accessories:
No Accessory
Publisher
PRAEGER FREDERICK A
Bisac Major Subject
Mathematics
Binding Type
Hardcover
Country Of Origin
US
Number Of Units
1
Length
8.59 Inches
Barcode Indicator
ISBN
Width
5.79 Inches
Publication Date
1970-01-01
Height
0.94 Inches
ISBN 10
0313232008
Weight
0.93 Pounds
Book EAN
9780313232008
Target Audiance
Adults
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