1\frac{1}{6}-2\frac{1}{5}:(1\frac{1}{10}-\sqrt{3\frac{1}{16}})=1\frac{1}{6}-2\frac{1}{5}:(1\frac{1}{10}-\sqrt{\frac{49}{16}})=
=1\frac{1}{6}-2\frac{1}{5}:(\frac{11}{10}-\frac{7}{4})=1\frac{1}{6}-2\frac{1}{5}:(\frac{22}{20}-\frac{35}{20})=
1\frac{1}{6}-2\frac{1}{5}:(-\frac{13}{20})=1\frac{1}{6}+\frac{11}{5}*\frac{20}{13}=1\frac{1}{6}+\frac{44}{13}=1\frac{13}{78}+\frac{264}{78}=1\frac{13}{78}+3\frac{30}{78}=4\frac{43}{78}