contenidos-de-clase
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Descomposición de números
Segmento del libro de texto de Matemáticas de 3° de primaria, Bloque 5. Contenido 72: Descomposición de números.
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Descripciones
Segmento del libro de texto de Matemáticas de 5° de primaria, Bloque 1. Contiene el tema 8: Descripciones.
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