B=\(\dfrac{1}{9}:\dfrac{1}{6}-2.\left(-\dfrac{1}{8}\right)\)
B=\(\dfrac{2}{3}-\dfrac{-1}{4}\)
B=11/12
\(B=\left(\dfrac{-1}{3}\right)^2:\dfrac{1}{6}-2.\left(\dfrac{-1}{2}\right)^3\)
\(B=\dfrac{1}{9}:\dfrac{1}{6}-2.\dfrac{-1}{8}\)
\(B=\dfrac{2}{3}-\dfrac{-1}{4}\)
\(B=\dfrac{11}{12}\)