17,59 €
The Trachtenberg Speed System of Basic Mathematics
The Trachtenberg Speed System of Basic Mathematics
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The Trachtenberg Speed System of Basic Mathematics
The Trachtenberg Speed System of Basic Mathematics
El. knyga:
17,59 €
Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate, he devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed.
  • Leidėjas:
  • Metai: 2011
  • Puslapiai: 272
  • ISBN: 9780285639959
  • ISBN-10: 0285639951
  • ISBN-13: 9780285639959
  • Formatas: ePub
  • Kalba: Anglų

The Trachtenberg Speed System of Basic Mathematics (el. knyga) (skaityta knyga) | knygos.lt

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Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate, he devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed.

17,59 €
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  • Autorius: Jakow Trachtenberg
  • Leidėjas:
  • Metai: 2011
  • Puslapiai: 272
  • ISBN: 9780285639959
  • ISBN-10: 0285639951
  • ISBN-13: 9780285639959
  • Formatas: ePub
  • Kalba: Anglų

Jakow Trachtenberg believed that everyone is born with phenomenal abilities to calculate, he devised a set of rules that allows every child to make multiplication, division, addition, subtraction and square-root calculations with unerring accuracy and at remarkable speed.

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