| $$ \begin{aligned}(5x^3y^2)^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}125x^9y^6\end{aligned} $$ | |
| ① | $$ \left( 5x^3y^2 \right)^3 = 5^3 \left( x^3 \right)^3 \left( y^2 \right)^3 = 125x^9y^6 $$ |