\(25\%-1\frac{1}{4}+0,2:\frac{1}{6}=\frac{1}{4}-\frac{5}{4}+\frac{1}{5}.6=-1+\frac{6}{5}=-1+1\frac{1}{5}=\frac{1}{5}\)
\(25\%-1\frac{1}{4}+0,2:\frac{1}{6}=\frac{1}{4}-\frac{5}{4}+0,2:\frac{1}{6}=\frac{5-1}{4}+\frac{1}{5}.6=-1+\frac{6}{5}=-\frac{5}{5}+\frac{6}{5}=\frac{1}{5}\)