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  1. 1

    Secrets of mental math the mathemagician's guide to lightning calculation and amazing math tricks by Benjamin, Arthur

    Published 2006
    Table of contents only
    Book

    Secrets of mental math the mathemagician's guide to lightning calculation and amazing math tricks
  2. 2

    Mental math by Mariano, Ma. Luisa

    Published 2004
    Book

    Mental math
  3. 3

    Mental math by Mariano, Ma. Luisa

    Published 2004
    Book

    Mental math
  4. 4

    Arithmetricks 50 easy ways to add, subtract, multiply, and divide without a calculator by Julius, Edward H. 1952-

    Published 1995
    Book

    Arithmetricks 50 easy ways to add, subtract, multiply, and divide without a calculator
  5. 5

    Estimation and mental computation 1986 yearbook

    Published 1986
    Book

    Estimation and mental computation 1986 yearbook
  6. 6

    Estimation and mental computation 1986 yearbook

    Published 1986
    Book

    Estimation and mental computation 1986 yearbook
  7. 7

    Estimation and mental computation 1986 yearbook

    Published 1986
    Book

    Estimation and mental computation 1986 yearbook
  8. 8

    The magic of numbers by Tocquet, Robert

    Published 1962
    Book

    The magic of numbers

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