Question
Answer
$$\dfrac{\sqrt{10}}{2}\cdot3=\dfrac{3\sqrt{10}}{2}$$
Explanation
| $$ \begin{aligned}\frac{\sqrt{10}}{2}\cdot3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{3\sqrt{10}}{2}\end{aligned} $$ | |
| ① | $$ \color{blue}{ \sqrt{10} } \cdot 3 = 3 \sqrt{10} $$$$ \color{blue}{ 2 } \cdot 1 = 2 $$ |
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