Răspuns:
1. M={1,3,5,7}
2. a)fals
b)fals
c)fals
3. a){1,2,3,4,5,8}
b) {2}
c) {5,8}
d) {1,3,4}
4.x=5
5.A={0,1,2,3,5,11}
B={3,5,7,11,23}
A intersectat cu B={3,5}
B\A={7,11,23}
6.ab= 27,64
A={9,10}
7.A={0,1,2,3}
B={1,3,5,7}
C={1,2,4,8}
A reunit cu B={0,1,2,3,5,7}
B intersectat cu C={1}
A intersectat cu C={1,2} reunit cu B={1,2,3,5,7}
