Question

Sejam os conjuntos numéricos A = {2, 4, 8, 12, 14}, B = {5, 10, 15, 20, 25} e o conjunto C = {1, 2, 3, 18, 20}. Determine [(A – B) ∩ C] ∪ [(A ∩ B) – C].

Answer 1

A)[(A-B)C]={2}
B)[(AB)-C)={4,5 ,8,10,12,14,15,25}