a fost răspuns

se dau multimile A (2,4,7,8) B (1,4,9) calculati AUB ,ANB,A/B,B/A

Răspuns :

Xxiabvsllask

Răspuns:

AUB= {1, 2,4,7,8,9}

ANB={4}

A/B={2, 4,7,8}

B/A={1, 4,9}