Question

va rog ajutor dau coroana +mulțumesc e urgent ex.12

Answer 1

A∪B={3,4,5,6,7,8}

A∪K={1,3,4,5,7}

B∪C={2,4,5,6,7,8}

C∪K={1,2,3,4,5,7,8}

A∩B={5}

C∩B={8}

B∩K={5,7}

C∩K=Ф

A-K={4}

C-A={2,8}

K-B={1,3}

K-A={1,7}