1. 1,3,5,15.
2 a) {2,8}
b) {2,4,6}
c) {2,4,6,8,10}
d) {1,2,3,4,5,6,7,8}
3. a)-FALSA
b)-FALSA
c)-ADEVARATA
d)-ADEVARATA
e)-FALSA
f)-ADEVARATA
4. a) {1,2,5,6,9,10,18}
b) D20( vreau sa scriu 20 jos, dar nu stiu cum :) )
c) A={6,7,8,9,10,11,12,13,14,15,16,17,18}
5. A={1,2,3,4,5,6,7}
B={5,6,7,8,9}
