Tap the blue circles to see an explanation.
| $$ \begin{aligned}2^2\cdot2^4& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}4\cdot16 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}64\end{aligned} $$ | |
| ① | $ 2 ^ 2 = 4 $$ 2 ^ 4 = 16 $ |
| ② | $ 4 \cdot 16 = 64 $ |