Question

Daca A reunit cu B ={1,2 ,3,5 ,8}, A intersectat cu B ={3 ,5}, A-B = {2,8} atunci A = ? Va roggggg!

Answer 1

A={1,2,3,5,8}

B={1,3,5}

AUB={1,2,3,5,8}

A(intersectat)B={3,5}