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