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The Trachtenberg Speed System of Basic Mathematics By Jakob Trac - Picture 1 of 1
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The Trachtenberg Speed System of Basic Mathematics By Jakob Trac

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Very Good
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ApproximatelyC $11.82
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eBay item number:333036571099
Last updated on May 23, 2024 07:29:27 EDTView all revisionsView all revisions

Item specifics

Condition
Very Good: A book that does not look new and has been read but is in excellent condition. No obvious ...
Format
Paperback
Language
UnKnown
Author
Jakow Trachtenberg, Ann Cutler, Rudolph Mcshane
Book Title
The Trachtenberg Speed System of Basic Mathematics
ISBN
9780285629165

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  • GB 724498118
Awesomebooksusa

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5.0
4 product ratings
  • 4 users rated this 5 out of 5 stars
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  • by rofi_4941
    May 07, 2022

    Should be called REAL MATH.

    I've always been dismal at math, but interested none the less. A few pages into this book I was multiplying huge numbers by 12 in seconds! This method should be taught in all elementary schools. Did I mention it's also fun?

    Verified purchase: YesCondition: Pre-OwnedSold by: worldofbooksusa

  • by msbeautiful
    Sep 02, 2017

    Excellent mathematical bool

    I graduated from math and physics school, have a long professional mathematical experience and i never seen before such a comprehensive speed calculation book. It is a genius interpretation of number theory

    Verified purchase: YesCondition: Pre-OwnedSold by: second.sale

  • by phimo_5959
    Jul 09, 2023

    Recomend for public schools

    Trachtenberg has aways been five star

    Verified purchase: YesCondition: Pre-OwnedSold by: zbkinternational

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