Question
Answer
$$5\sqrt{8}\cdot3\sqrt{4}=60\sqrt{2}$$
Explanation
| $$ \begin{aligned}5\sqrt{8}\cdot3\sqrt{4}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}60\sqrt{2}\end{aligned} $$ | |
| ① | $$ 15 \sqrt{32} =
15 \sqrt{ 4 ^2 \cdot 2 } =
15 \sqrt{ 4 ^2 } \, \sqrt{ 2 } =
15 \cdot 4 \sqrt{ 2 } =
60 \sqrt{ 2 } $$ |
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