Trachtenberg Speed System of Basic Mathematics

Name: Trachtenberg Speed System of Basic Mathematics
SKU: 1754118
Price: 14.99 EUR
Availability: InStock

ΚΩΔΙΚΟΣ: 1754118

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14 ^,99€

Σε BOX NOW Locker Τετ 26/08 - Δευ 31/08

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Στον χώρο σου Τετ 26/08 - Δευ 31/08

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Trachtenberg Speed System of Basic Mathematics

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Σύνοψη βιβλίου

Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Ever find yourself struggling to check a bill or a payslip? With The Trachtenberg Speed System you can. Described as the 'shorthand of mathematics', the Trachtenberg system only requires the ability to count from one to eleven. Using a series of simplified keys it allows anyone to master calculations, giving greater speed, ease in handling numbers and increased accuracy. 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. It is the perfect way to gain confidence with numbers.

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