a)0,(3) =3/9=1/3
b)1,(6) =(16-1)/9=15/9=5/3
c)0,(12)=12/99=4/33
d)0,(15) =15/99=5/33
e)1,(2)=(12-1)/9=11/9
f)1,(51)=(151-1)/99=150/99=50/33
g)0,(27)=27/99=3/11
h)2,(12) =(212-2)/99=210/99=70/33
i)0,(123)=123/999=41/33
j)1,(451=(1451-1)/999=1450/999
k)21,(321)=(21321-21)/999=21300/999=7100/333
l)15,(105)=(15105-15)/999=15090/999=5030/333
2)Comparati a si b:
a) a=1,3;b=1,(3); b>a
b) a=2,(13); b=2,13; a>b
c) a=0,(5);b=0,(7); b>a
d) a=1,(23);b=1,(2) a>b
e) a=1,(23);b=1,(3) b>a
f) a=0,1(2);b=0,(12). a>b