x : \(\dfrac{-1}{12}\) + \(\dfrac{7}{12}\) = \(\dfrac{5}{6}\) :\(\dfrac{2}{3}\)

m.50%-m.\(\dfrac{2}{3}\)+0,75.m với m= \(-\dfrac{6}{5}\)

(\(\dfrac{2}{3}\))^ 2 : (-2)^3 - [(-\(\dfrac{1}{2}\))^2+\(\dfrac{^{3^2}}{20}\)] : \(\dfrac{7}{5}\)

4\(\dfrac{1}{5}\) + 25% - 3\(\dfrac{7}{2}\) + (\(\dfrac{9}{10}\) - 1,25)