Răspuns:
2,3(6)=236-23/90=213/90=71/30
1,2(9)=129-12/90=117/90=39/90=13/10
3,70(2)=3702-370/900=3333/900=1666/450=833/225
1,2(417)=12417-12/9990=12405/9990=2481/1998
Sper că te-am ajutat!!!
