$\sqrt{\frac{\left(\frac{9}{10}-\frac{7}{12}+\frac{1}{4}\right):\left[\frac{6}{5}+\left(\frac{3}{4}+\frac{8}{5}-\frac{3}{2} \times \frac{4}{9}-\frac{33}{20}\right) \times \frac{4}{3}-\left(\frac{1}{2}+\frac{2}{5}\right)+\frac{1}{30}\right]}{\left[\frac{8}{6}+\frac{1}{2}-\frac{3}{5} \times\left(\frac{11}{8}-\frac{1}{6}+\frac{3}{4}\right)\right]-\frac{1}{12}}}$