lauramarquez20045 lauramarquez20045
  • 29-09-2022
  • Mathematics
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De un grupo de 100 alumnos, 47 no han escogido informática como optativa, 56 no han escogido teatro como optativa y 27 no han escogido ni informática ni teatro. ¿Cuántos alumnos han escogido sólo un curso?

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