Question

Se A={2,4,6,8} e B={1,3,5,7,8}, então calcule:
a) A∩B
b)A∪B
c)A-B
d)B-A

Answer 1

a=8
b=1,2,3,4,5,6,7,8
c=2,4,6
d=1,3,5,7

Answer 2

a) {8}
b) {1;2;3;4;5;6;7;8}
c) {2;4;6}
d) {1;3;5;7}