Răspuns:
0.(4)= 4-0/9=4/9
1,(2)=12-1/9=13/9
0.(36)=36-0/99=36/99=4/9
4.(45)=445-4/99=441/99=49/11
12,(123)=12123-12/999=12111/999=4037/333
0,(263)=263-0/999=263/999
0,0(5)=5-0/90=5/90=1/18
1,(16)=116-1/99=115/99
3,1(24)=3124-31/990=3093/990=1031/330
4.1(523)=41523-41/9990=41482/9990
20,1(345)=201345-201/9990=201144/9990=67048/3330
Sper ca te-am ajutat! Succes!