Question

Sabendo-se que: • A ∪ B ∪ C= {1, 2, 3, 4, 5, 6, 7, 8, 9}; • A ∩ B = {6, 7}; • B ∩ C = {2, 6}; • C ∩ A = {5, 6}; • A ∪ C = {2, 3, 4, 5, 6, 7, 8, 9}; • A ∪ B = {1, 2, 5, 6, 7, 8, 9}; determine os conjuntos A, B e C.

Answer 1

A {5, 6, 7, 8, 9} B {1, 2, 6, 7} C {2, 3, 4, 5, 6}