\[1)\ Дробь\ \frac{5}{6}:\]
\[\ \frac{5}{6} = 0,8(3).\]
\[2)\ Дробь\ 2\frac{1}{9}:\]
\[2\frac{1}{9} = 2,(1).\]
\[3)\ Дробь\ \frac{1}{7}:\]
\[\frac{1}{7} = 0,(142857).\]
\[4)\ Дробь\ 5\frac{2}{11}:\]
\[5\frac{2}{11} = 5,(18).\]