6. Determinar la cardinalidad de los conjuntos A, B, C⊂U, si | U | = 30, |(A U B U C)'| = 5, | A U B | = 23, | A - C | = 12, | A ∩ C | = 4, | B ∩ C | = 8, | A ∩ B ∩C | = 3, | A ∩ B | = 11?
6. Determinar la cardinalidad de los conjuntos A, B, C⊂U, si | U | = 30, |(A U B U C)'| = 5, | A U B | = 23, | A - C | = 12, | A ∩ C | = 4, | B ∩ C | = 8, | A ∩ B ∩C | = 3, | A ∩ B | = 11.
