Question

Gấp ai trl nhanh và đúng nhất nhận ngay 2 tick

Answer 1

\(=\dfrac{\left[\dfrac{2}{3}\cdot\left(-\dfrac{3}{4}\right)\right]^2\cdot\dfrac{2}{3}\cdot\left(-1\right)}{\left[\dfrac{2}{5}\cdot\left(\dfrac{-5}{12}\right)\right]^2\left(-\dfrac{5}{12}\right)}=\dfrac{\left(-\dfrac{1}{2}\right)^2\left(-\dfrac{2}{3}\right)}{\left(-\dfrac{1}{6}\right)^2\left(-\dfrac{5}{12}\right)}\\ =\dfrac{\dfrac{1}{4}\left(-\dfrac{2}{3}\right)}{\dfrac{1}{36}\left(-\dfrac{5}{12}\right)}=\left(-\dfrac{1}{6}\right):\left(-\dfrac{5}{432}\right)=\dfrac{72}{5}\)