Mathematics, 04.03.2021 19:40, 1r32tgy5hk7

1. En un salón de clase, 40 estudiantes tienen crayolas, 30 tienen colores y 30 tienen plumones; 8 tienen solamente crayolas y colores, 6 tienen solamente colores y plumones, 12 tienen solamente crayolas y plumones. Si 5 tienen las 3 cosas y 6 alumnos no tienen ninguno de los 3 útiles, ¿Cuántos alumnos tiene el salón?

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1. En un salón de clase, 40 estudiantes tienen crayolas, 30 tienen colores y 30 tienen plumones; 8 t...