1) а)=2;
b)=3;
c)=3;
d)=5;
e)=2;
f)=3;
g)=4;
h)=4.
2) a)=1/3;
b)=1/2;
c)=1/4;
d)=1/3;
e)=1/2;
f)=1/3;
g)=1/5;
h)=1/4.
4) a)=-2;
b)=-1/3;
c)=3;
d)=-1/4;
e)=-1/3;
f)=5;
g)=1/3;
h)=-1/3.
6) a)=49;
b)=8;
c)=1/16;
d)=27;
e)=1/16;
f)=125;
g)=1/81;
h)=1/81.