\[\boxed{\text{383.}\text{\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
Пояснение.
Решение.
\[\textbf{а)}\ a^{4} = \left( a^{2} \right)^{2}\]
\[\textbf{б)}\ a^{6} = (a^{3})²\]
\[\textbf{в)}\ a^{18} = (a^{9})²\]
\[\textbf{г)}\ \frac{1}{a^{10}} = \left( \frac{1}{a^{5}} \right)^{2}\]
\[\textbf{д)}\ a^{2}b^{8} = (ab^{4})²\]
\[\textbf{е)}\ \frac{a^{6}}{b^{12}} = \left( \frac{a^{3}}{b^{6}} \right)^{2}\ \]