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Problemas aditivos y estudio de técnicas para restar - Clases ...

Problemas aditivos y estudio de técnicas para restar - Clases ...

Problemas aditivos y estudio de técnicas para restar - Clases ...

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)¿Cuántas laminitas tiene ahora?5. Efectuar los siguientes cálculos:a)80 - 7 =b)54 + 28 =c)80 - 20 =d)50 - 5 =39

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