Question

Sejam os conjuntos A={5,6,7,8,9} e B={8,9,10,11,12}, determine o conjunto A – B: *



a) A-B={5,7,9,11}

b) A-B={10,11,12}

c) A-B={5,6,7}

d) A-B={5,6,7,8,9,10,11,12}

Urgenteeee​

Answer 1

Resposta:

A={5,6,7,8,9} e B={8,9,10,11,12}

A – B = {5,6,7}  

Letra C