Multidigit addition : a study of an alternate sequence

By: Usnick, Virginia EMaterial type: TextTextDescription: 53-62Subject(s): ADICION | COMPUTACION | DESARROLLO COGNOSCITIVO | ENSE\197ANZA MATEMATICA | METODOS DE ENSE\197ANZA | NUMEROS ENTEROS
Contents:
Febrero 1993
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Febrero 1993

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