$\frac{5}{6}\times0,7=\frac{5}{6}\times\frac{7}{10}=;$  

 $\frac{2}{4}\div9=\frac{2}{4}\div\frac{9}{1}=\frac{2}{4}\times\frac{1}{9}=;$  

 $\frac{2}{5}\div0,2=\frac{2}{5}\div\frac{2}{10}=\frac{2}{5}\times\frac{10}{2}=;$  

 $\frac{2}{6}\div4\ \frac{1}{2}=\frac{2}{6}\div\frac{9}{2}=\frac{2}{6}\times\frac{2}{9}=;$  

 $\frac{6}{9}\times\frac{7}{8}=;$  

 $\frac{2}{7}\div\frac{3}{5}=\frac{2}{7}\times\frac{5}{3}=;$