| $$ \begin{aligned}4\sqrt{3}\cdot6\sqrt{8}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}48\sqrt{6}\end{aligned} $$ | |
| ① | $$ 24 \sqrt{24} =
24 \sqrt{ 2 ^2 \cdot 6 } =
24 \sqrt{ 2 ^2 } \, \sqrt{ 6 } =
24 \cdot 2 \sqrt{ 6 } =
48 \sqrt{ 6 } $$ |