| $$ \begin{aligned}(4x^2y^4)^3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}64x^6y^{12}\end{aligned} $$ | |
| ① | $$ \left( 4x^2y^4 \right)^3 = 4^3 \left( x^2 \right)^3 \left( y^4 \right)^3 = 64x^6y^{12} $$ |