LIBROS DEL AUTOR: john b gifford

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  • New Mental Arithmetic (1920)
    John B. Gifford / John BGifford
    New Mental Arithmetic is a book written by John B. Gifford and initially published in 1920. The book is a comprehensive guide to mental arithmetic, designed to help students improve their calculation skills and develop their problem-solving abilities. The text covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, percenta...
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    30,09 €