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Trachtenberg Speed System of Basic Mathematics

Autor: Trachtenberg, Jakow

Disponibilitate: Livrare in 2-4 saptamani (nu se afla in stoc, dar poate fi adus de la furnizorii nostri in 2-4 saptamani)

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SKU:
9780285629165

59,99 RON
First developed during WW2, the Trachtenberg speed system makes possible high-speed arithmetical calcula tions with a remarkable degree of accuracy. The system has e ven been known to beat computer calculations - in some insta nces - in terms of speed '

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AutorTrachtenberg, Jakow
EdituraProfile Books Ltd
Dimensiuni198 x 128 x 20
Data Publicarii29/06/1989
EditieMain
FormatPaperback / softback
Numar pagini272
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Recenzati:Trachtenberg Speed System of Basic Mathematics
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