Secrets Of Mental Math
Arthur Benjamin
- 08 augustus 2006
- 9780307338402
Samenvatting:
An accessible guide to mathematical calculation reveals the secrets of rapid mental calculation, memorization, and other feats of the mind, with tips on how to add, subtract, multiply, divide, and work with fractions, squares, and cube roots. Original. 15,000 first printing.
€ 12,45
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