Question

URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

A U B={12379}

A intersectat cu B ={3}

B\A = {7 9}

A-B={1 2}

Answer 2

AreunitB={ 1;2;3;7;9}
AintersectatB ={3}
B\A={7;9}
A-B={1;2}
A×B={(1,3), (1,7), (1,9),(2,3),(2,7),(2,9),(3,1),(3,3)(3,7),(3,)

(sper sa fie bine)