Question

Exercițiul 11 va rog

Answer 1

A={1,2,3,4}-->2·12=24(nu depaseste 55)

3·12=36

4·12=48

B={1,2,3,4,5,6,7}

AUB={1,2,3,4,5,6,7}

AnB(u intors)={1,2,3,4}

A/B=faza e ca B are tot ce are A

B/A={5,6,7}

Sper ca e corect....SUCCES!