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Continue to ChatSeis de cada 10 niños que terminan primaria no saben sumar, restar o multiplicar: INEE https://salmantino.mx/2018-seis-de-cada-10-ninos-que-terminan-primaria-no-saben-sumar-restar-o-multiplicar-inee/
Seis de cada 10 niños que terminan primaria no saben sumar, restar o multiplicar: INEE https://salmantino.mx/2018-seis-de-cada-10-ninos-que-terminan-primaria-no-saben-sumar-restar-o-multiplicar-inee/