Question

Se dau multimile: A={1,2,3,4};B={5,6,7}aflati:Areunit cu B,A intersectat cu B ,A minus B

Answer 1

A in reunit cu B {1, 2,3,4,5,6,7}
A intersectat cu B= multimea vida
A minus B ={1,2,3,4}