2014-II-01

15-06-2023 app.cch 尚無留言

答案：B

\begin{array}{cl} (2 n^{3})^{- 5} \\ = & 2^{- 5} n^{3 \times (- 5)} \\ = & \frac{1}{2^{5} n^{15}} \\ = & \frac{1}{32 n^{15}} \end{array}