\(50\%+1,5:\left(1-\dfrac{1}{3}\right)=\dfrac{1}{2}+\dfrac{3}{2}:\left(\dfrac{3}{3}-\dfrac{1}{3}\right)\)
\(=\dfrac{1}{2}+\dfrac{3}{2}:\dfrac{2}{3}=\dfrac{1}{2}+\dfrac{9}{4}=\dfrac{2}{4}+\dfrac{9}{4}=\dfrac{11}{4}\)
\(50\%+1,5\div\left(1-\dfrac{1}{3}\right)\)
\(=\dfrac{1}{2}+\dfrac{3}{2}\div\left(\dfrac{3}{3}-\dfrac{1}{3}\right)\)
\(=\dfrac{1}{2}+\dfrac{3}{2}\div\dfrac{2}{3}\)
\(=\dfrac{1}{2}+\dfrac{9}{4}\)
\(=\dfrac{2}{4}+\dfrac{9}{4}\)
\(=\dfrac{11}{4}\)