Question

Sejam os conjuntos numéricos A={2,4,8,12,14} B={5,10,15,20,25} e C={1,2,3,18,20}, determine:
a)B U C
b)A - C
c)A ∩ C
d)(A-C) ∩ (B - C)
e)C,D,A

Answer 1

a) {20}
b) {4,8,12,14}
c) {1,2,3,4,8,12,14,18,20}
d) {4,8,12,14,5,10,15,25}
e) obs: só juntar tudo