Question

Ex 2 va rog dau coroana

Answer 1

AUB={1,2,4,5,6,7}

BUA={1,2,4,5,6,7}

A intersectat B={2}

B intersectat A={2}

A-B={1,5,7}

B-A={4,6}

Answer 2

A={1,2,5,7}
B={2,4,6}
a) A reunit cu B={1,2,4,5,6,7}
b) B reunit cu A acelas lucru ca la a)
c) A inersectat cu B={2}
d) B inersectat cu A acelasi lucru ca la c)
e) A-B={1,5,7}
f) B-A={4,6}