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Sinopsis
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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Acerca del autor
Jakow Trachtenberg was a Jewish mathematician who developed the mental calculation techniques called the Trachtenberg system. He was born in Odessa, the Russian empire in 1988 and worked as an engineer in the Obukhov arms factory. He was a dedicated pacifist and instrumental in organising the Society of Good Samaritans when the First World War broke out. After the Russian revolutions of 1917, Trachtenberg fled to the Weimar Republic where he was later critical of Nazi policies and imprisoned in a concentration camp during World War II. He developed his system of mathematics during his imprisonment. He died in 1953.
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The Trachtenberg Speed System of Basic Mathematics
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Souvenir Press Ltd
ISBN 10: 0285629166
ISBN 13: 9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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RUPA PUBLICATIONS INDIA PVT LTD.
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ISBN 13: 9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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Paperback. Condición: Very Good. The Trachtenberg Speed System of Basic Mathematics This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. Nº de ref. del artículo: 7719-9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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Paperback. Condición: Very Good. This book is in very good condition and will be shipped within 24 hours of ordering. The cover may have some limited signs of wear but the pages are clean, intact and the spine remains undamaged. This book has clearly been well maintained and looked after thus far. Money back guarantee if you are not satisfied. See all our books here, order more than 1 book and get discounted shipping. Nº de ref. del artículo: 6545-9780285629165
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Trachtenberg Speed System of Basic Mathematics
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ISBN 10: 0285629166
ISBN 13: 9780285629165
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Trachtenberg Speed System of Basic Mathematics
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RUPA PUBLICATIONS INDIA PVT LTD.
ISBN 10: 0285629166
ISBN 13: 9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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Profile Books Ltd, GB, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Paperback. Condición: New. Main. 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. Nº de ref. del artículo: LU-9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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RUPA PUBLICATIONS INDIA PVT LTD.
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ISBN 13: 9780285629165
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The Trachtenberg Speed System of Basic Mathematics
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The Trachtenberg Speed System of Basic Mathematics (Paperback)
Publicado por
Profile Books Ltd, London, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Librería: Grand Eagle Retail, Mason, OH, Estados Unidos de America
Calificación del vendedor: 5 de 5 estrellas
Paperback. Condición: new. Paperback. Ever find yourself struggling to check a bill or tax on a payslip? The Trachtenberg Speed System provides a course in refining basic mathematics skills to tackle large sums before simplifying to increase concentration and ability in day-to-day arithmetic.The Trachtenberg system has been described as the 'shorthand of mathematics' and only requires the ability to count from one to eleven. Using a series of simplified keys, it allows anyone to master numbers and calculations giving greater speed, ease in handling numbers and increasing 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. A perfect entry into gaining confidence with numbers. Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System. Shipping may be from multiple locations in the US or from the UK, depending on stock availability. Nº de ref. del artículo: 9780285629165
Cantidad disponible: 1 disponibles