Question

dados os conjuntos A= { 1,3,5,7}, B= {2,4,6,8} e C= {3,4,5}, obtenha

a) A - B
b) B - C
c) C - B
d) A - C

Answer 1

a) {1,3,5,7}
b) {2,6,8}
c) {3,5}
d) {1,7}