Question

A reunit b = {1,2,3,4,5,6,7} , a intersectat b = {3,4 } , a intersectat { 5 ,6,7} = multime vida , { 1,2} intersectat b = multimea vida , e urgeeeennnt!!

Answer 1

A={1,2,3,4}
B={3,4,5,6,7}