1. {1,2,3,4,12}
2.AUB={0,1,3,4}
A∩B={0,1}
A-B={4]
B-A={3}
3. a) A b)F c) F d) A
4. A={5,10,15,20,25,30,35}
B={1,2,3,4,6,8,12}
5. A={1,2,3}
B={1,2,4}
6. A={1460,1860,1365,1765}
B={1060,1262,1464,1666,1868}
AUB={toate}
A∩B={∅}
A-B={1460,1860,1365,1765}
B-A={1060,1262,1464,1666,1868}