Bună,
A={x∈Z*| -4<x⩽8}
A={-3,-2,-1,1,2,3,4,5,6,7,8}
B={0,1,2,5,7}
A∩B={1,2,5,7}
A∪B={-3-2-1,0,1,2,3,4,5,6,7,8}
A\B={-3,-2,-1,3,4,6,8}
B\A={0}
Sper că te-am ajutat.