| $$ \begin{aligned}\frac{\sqrt{3}}{4}\sqrt{2}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{\sqrt{6}}{4}\end{aligned} $$ | |
| ① | $$ \color{blue}{ \sqrt{3} } \cdot \sqrt{2} = \sqrt{6} $$$$ \color{blue}{ 4 } \cdot 1 = 4 $$ |