номер 161 гдз 8 класс алгебра Муравин Муравин

1)\begin{equation}5a^{-4}=\frac{5}{a^{4}} \end{equation} 2)\begin{equation}6b^{-7}=\frac{6}{b^{7}} \end{equation} 3)\begin{equation}6c^{-2}b^{3}=\frac{6b}{c^{2}} \end{equation} 4)\begin{equation}-7d^{2}c^{-8}=-\frac{7d^{2}}{c^{8}} \end{equation} 5)\begin{equation}8x^{0}y^{-5}z^{-4}=\frac{8}{y^{5}z^{4}} \end{equation} 6)\begin{equation}-9b^{4}x^{0}y^{-1}=-\frac{9b^{4}}{y} \end{equation} 7)\begin{equation}\left ( c+d \right )^{-2}=\frac{1}{\left ( c+d \right )^{2}} \end{equation} 8)\begin{equation}\left ( x-y \right )^{-1}=\frac{1}{\left ( x-y \right )^{1}} \end{equation} 9)\begin{equation}s\left ( t+p \right )^{-3}=\frac{s}{\left ( t+p \right )^{-3}} \end{equation} 10)\begin{equation}k^{-4}\left ( n-m \right )^{-2}=\frac{1}{k^{4}\left ( n-m \right )^{2}} \end{equation}