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  1. 1

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

    Publicado 2006
    Table of contents only
    Libro

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

    Mental math por Mariano, Ma. Luisa

    Publicado 2004
    Libro

    Mental math
  3. 3

    Mental math por Mariano, Ma. Luisa

    Publicado 2004
    Libro

    Mental math
  4. 4

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

    Publicado 1995
    Libro

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

    Estimation and mental computation 1986 yearbook

    Publicado 1986
    Libro

    Estimation and mental computation 1986 yearbook
  6. 6

    Estimation and mental computation 1986 yearbook

    Publicado 1986
    Libro

    Estimation and mental computation 1986 yearbook
  7. 7

    Estimation and mental computation 1986 yearbook

    Publicado 1986
    Libro

    Estimation and mental computation 1986 yearbook
  8. 8

    The magic of numbers por Tocquet, Robert

    Publicado 1962
    Libro

    The magic of numbers

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