1.a)A
b)F
c)A
d)F
2.
27-2=25
(19+16)-25=35-225=10 elevi
3.
a)A={1,2,3,4,8} B={0,5,7,8,3}
b)A={1,2,4,9}|^|B={0,1,5,4,9}|^|C={0,1,4,9,10}={1,4,9}
4.E={a,c,b,d}F={a,c}
5.
a){2,5,6}
b){2,5}
c){1,2,3,4,5,6}
d){3}
e){1,2,3,5}
d){1,2,3,5,6}
6.
a) M3={0 1 3 6 9 12 15 18 21 24 27 30 33 36 39......}
M3 pari >3 dar <40 sunt:{6 12 18 24 30 36}
Atunci Multimea A={6 12 18 24 30 36}
b)B={3 27 243} (3^1 3^3 3^5)
c)x-3=8
2x+2=18
x+1< sau = 6
x-3=8
x=8+3=11
2x=18-2=16
x=16:2=8
x=(0 1 2 3 4 5)
C={0 1 2 3 4 5 8 11}
