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