El problema sumar, restar, multiplicar y dividir, las estructuras aditiva y multiplicativa, 300 problemas para niños de 6 a 12 años

By: Material type: Computer filePublication details: Rosario Homo Sapiens Ediciones 2003Edition: 1ª edDescription: 89 p. tablas, gráf., diagrISBN:
  • 950-808-389-1
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