Răspuns:
..a) 2,3(6) =236-23/90=213/90=71/30
.1,2(9)= 129-12/90=117/90=39/30=13/10
3,70(2)= 3702-370/900=3332/900=1666/450=833/225
1,2(417)=12417-12/9990=12405/9990=2481/1998
b,) 0,02(03)=203-2/9900=201/9900=67/3300
10,3(27)=10327-3/990=1032/990
11,47(3)=11473-47/900=11426/900=11142/300
0,0002(1)= 21- 2/90000=19/90000
ex 9
0,(0003)= 3/9999=1/3333
0,0(003)=3/9900=1/3330
0,00(03)=3/9900=1/3300
0,000(3)=3/9000=1/3000
