Răspuns:
0,(5)=5/9
1,(23)=(123-1)/99=122/99
0,(456)=(456/999)⁽³=152/333
2,3(6)=(236-23)/90=(213/90)⁽³=71/30
0,02(03)=(203-2)/9900=(201/9900)⁽³=67/3300
8,01(3)=(8013-801)/900=(7212/900)⁽³=2404/300
11,(23)=(1123-11)/99=1112/99
4,0(5)=(405-40)/90=365/90
