16,29 €
The Trachtenberg Speed System of Basic Mathematics
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The Trachtenberg Speed System of Basic Mathematics
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16,29 €
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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- Author: Jakow Trachtenberg
- Publisher: Profile
- Year: 2011
- Pages: 272
- ISBN: 9780285639959
- ISBN-10: 0285639951
- ISBN-13: 9780285639959
- Format: ePub
- Language: English
The Trachtenberg Speed System of Basic Mathematics (e-book) (used book) | bookbook.eu
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Description
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.
- Author: Jakow Trachtenberg
- Publisher: Profile
- Year: 2011
- Pages: 272
- ISBN: 9780285639959
- ISBN-10: 0285639951
- ISBN-13: 9780285639959
- Format: ePub
- Language: English English
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.
Reviews