Răspuns :
[tex]\it \dfrac{2}{3}=0.(6)\\ \\ \\ \dfrac{^{2)}7}{5}= \dfrac{14}{10}=1,4\\ \\ \\ \dfrac{17}{18}=0,9(4)\\ \\ \\ \dfrac{11}{30}=0,3(6)\\ \\ \\ \dfrac{19}{12}=1,9[/tex]
[tex]\it \dfrac{2}{3}=0.(6)\\ \\ \\ \dfrac{^{2)}7}{5}= \dfrac{14}{10}=1,4\\ \\ \\ \dfrac{17}{18}=0,9(4)\\ \\ \\ \dfrac{11}{30}=0,3(6)\\ \\ \\ \dfrac{19}{12}=1,9[/tex]