2) -12 : (\(\dfrac{3}{4}\) - \(\dfrac{5}{6}\))2
s) \(\dfrac{-1}{12}\) - (\(2\dfrac{5}{8}\) - \(\dfrac{1}{3}\))
t) -1,75 - (\(\dfrac{-1}{9}\) - \(2\dfrac{1}{18}\))
c) (\(\sqrt{\dfrac{1}{9}}\) - 0,5)3 + \(\dfrac{-1}{3}\)
d) (\(\dfrac{1}{2}\) - \(\sqrt{\dfrac{4}{25}}\))2 - \(2\dfrac{1}{2}\)