| $$ \begin{aligned}squaroot& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}ao^2qrstu\end{aligned} $$ | |
| ① | $$ s q u a r o o t = a o^{1 + 1} q r s t u = a o^2 q r s t u $$ |