Sinossi
Do high-speed, complicated arithmetic in your head using the Trachtenberg Speed System.
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Informazioni sull'autore
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
Editore:
Souvenir Press Ltd, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Da: WeBuyBooks, Rossendale, LANCS, Regno Unito
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Condizione: Good. Most items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned. Codice articolo rev7747499459
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The Trachtenberg Speed System of Basic Mathematics
Da: AwesomeBooks, Wallingford, Regno Unito
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paperback. Condizione: 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. Codice articolo 7719-9780285629165
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The Trachtenberg Speed System of Basic Mathematics
Da: WorldofBooks, Goring-By-Sea, WS, Regno Unito
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Paperback. Condizione: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Codice articolo GOR001217891
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The Trachtenberg Speed System of Basic Mathematics
Editore:
Profile Books Ltd, United Kingdom, London, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Paperback
Da: WorldofBooks, Goring-By-Sea, WS, Regno Unito
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Paperback. Condizione: Good. 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. The book has been read but remains in clean condition. All pages are intact and the cover is intact. Some minor wear to the spine. Codice articolo GOR001363810
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The Trachtenberg Speed System of Basic Mathematics
Editore:
Souvenir Press Limited, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
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Da: Better World Books Ltd, Dunfermline, Regno Unito
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Condizione: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Codice articolo 9029368-6
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Foto dell'editore
The Trachtenberg Speed System of Basic Mathematics
Editore:
Souvenir Press Limited, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
Antico o usato
Brossura
Da: Better World Books Ltd, Dunfermline, Regno Unito
Valutazione del venditore 5 su 5 stelle
Condizione: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Codice articolo 8853775-6
Compra usato
EUR 5,67
Spedizione EUR 5,88
Spedito da Regno Unito a U.S.A.
Spedito da Regno Unito a U.S.A.
Quantità: 2 disponibili
Foto dell'editore
The Trachtenberg Speed System of Basic Mathematics
Editore:
Souvenir Press Limited, 1989
ISBN 10: 0285629166
ISBN 13: 9780285629165
Antico o usato
Brossura
Da: Better World Books Ltd, Dunfermline, Regno Unito
Valutazione del venditore 5 su 5 stelle
Condizione: Very Good. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Codice articolo GRP98853471
Compra usato
EUR 5,67
Spedizione EUR 5,88
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Quantità: 1 disponibili
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The Trachtenberg Speed System of Basic Mathematics
Da: Bahamut Media, Reading, Regno Unito
Valutazione del venditore 5 su 5 stelle
paperback. Condizione: 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. Codice articolo 6545-9780285629165
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Trachtenberg Speed System of Basic Mathematics
Da: GreatBookPrices, Columbia, MD, U.S.A.
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Condizione: As New. Unread book in perfect condition. Codice articolo 1389615
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Trachtenberg Speed System of Basic Mathematics
Da: GreatBookPrices, Columbia, MD, U.S.A.
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Condizione: New. Codice articolo 1389615-n
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