Question

Sabendo que A={12345} B={3,4,5,6,7} e C {1,3,6,7,8,9}podemos afirmar que o conjunto AUB

Answer 1

A={12345}

B={3,4,5,6,7}

C {1,3,6,7,8,9}

AUB = { 1, 2, 3, 5, 6, 7 }