Question

A={xER/-1<x<4} e B={xER/0<x<6}   A U B é?

Answer 1

entao é isso 

AUB=(0,1,2,3,4,5)

 

Answer 2

A={0,1,2,3} 

B={1,2,3,4,5}

AUB={0,1,2,3,4,5}