\(=-\dfrac{1}{2}-\left(\dfrac{-3+2}{3}\right).\dfrac{3}{2}-\dfrac{1}{4}\\ =-\dfrac{1}{2}+\dfrac{1}{3}.\dfrac{3}{2}-\dfrac{1}{4}\\ =-\dfrac{1}{2}+\dfrac{1}{2}-\dfrac{1}{4}\\ =0-\dfrac{1}{4}\\ =-\dfrac{1}{4}\)
\(=-\dfrac{1}{2}-\left(-\dfrac{1}{3}\right)\cdot\dfrac{3}{2}+\left(-\dfrac{1}{4}\right)\)
\(=-\dfrac{1}{2}-\left(-\dfrac{1}{2}\right)+\left(-\dfrac{1}{4}\right)\)
\(=-\dfrac{1}{4}\)
\(\left(-0,5\right)-\left(-1+\dfrac{2}{3}\right)\cdot1,5+\left(-\dfrac{1}{4}\right)\)
\(=-\dfrac{1}{2}-\left(-\dfrac{1}{3}\right)\cdot\dfrac{3}{2}+\left(-\dfrac{1}{4}\right)\)
\(=-\dfrac{1}{2}-\left(-\dfrac{1}{2}\right)+\left(-\dfrac{1}{4}\right)\)
\(=-\dfrac{1}{2}+\dfrac{1}{2}-\dfrac{1}{4}\)
\(=-\dfrac{1}{4}\)
= − 1/2 − ( −3 + 2)/3 . 3/2 − 1/4 = − 1/2 + 1/3 . 3/2 − 1/4 = − 1/2 + 1/2 − 1/4 = 0 − 1/4 = − 1/4
