username3030303 username3030303
  • 07-01-2023
  • Mathematics
contestada

en un colegio de choco,1/5 de los estudiantes de octavo grado estan en clase 2/9 de estos estan en el laboratorio y el resto esta en la biblioteca si el total de estudiantes es 90
cuantos hay en cada una de las actividadeas?
coon procedimientos

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