Considere as seguintes conjuntos: G) {0,1,2,3,4,5,6,a,b}. H) {1,2,7,8,b,c,d,e,f}. I) {2,3,4,9,0}. J){4,5,6,7,a,b}.

Determine: a)G∩H. b)G∩H∩J