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Continue to ChatCalcula añadiendo o restando decenas y centenas. https://www.aulapt.org/2019/01/26/calcula-anadiendo-o-restando-decenas-y-centenas/
Calcula añadiendo o restando decenas y centenas. https://www.aulapt.org/2019/01/26/calcula-anadiendo-o-restando-decenas-y-centenas/