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Mathematics, 08.04.2021 07:50 jennaranelli05

9. Al obtener los resultados de un examen se encontró que 20 niños habían reprobado este número corresponde al 40%, cuantos niños presentaron el
examen?
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9. Al obtener los resultados de un examen se encontró que 20 niños habían reprobado este número cor...
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