LIBROS DEL AUTOR: henry sticker

1 resultados para LIBROS DEL AUTOR: henry sticker

  • How to Calculate Quickly
    Henry Sticker
    Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions. ...
    Disponible

    11,93 €