Question

Considere os conjuntos A={1,2,3,4,9}, B={2,6,7,9} e C={2,4,5,6,8}. Assinale a alternativa que for correta:
a) A U B = {1,2,3,4,5,6,7,9}
b) A U C = {1,2,3,4,5,6,7,9}
c) A Ū C ={2,3}
d) B Ū C = {1,2}
e) A Ū B Ū C={1,2,3,4,5,6,7,8,9}

Answer 1

Resposta:

letra E é a resposta correta