Задание в описании
[m](\frac{2}{3})^{6}\cdot(1\frac{1}{2})^{8}=(\frac{2}{3})^{6}\cdot(\frac{3}{2})^{8}=(\frac{2}{3})^{6}\cdot(\frac{3}{2})^{6}\cdot (\frac{3}{2})^{2}=1\cdot (\frac{3}{2})^{2}=\frac{9}{4}[/m]