Question

Dau coroana la cine nu imi raspunde bine nu amoroasta. ​

Answer 1

a) BnC={3, 5}

AU(BnC)=AU{3, 5}={1, 2, 3, 5}

b)AUB={1, 2, 3, 5}

AUC={1, 2, 3, 5, 7}

(AUB)n(AUC)={1, 2, 3, 5,}n{1, 2, 3, 5, 7}={1, 2, 3, 5}