Question
Answer
$$\sqrt{9}+2\sqrt{16}=11$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\sqrt{9}+2\sqrt{16}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}3+8 \xlongequal{ } \\[1 em] & \xlongequal{ }11\end{aligned} $$ | |
| ① | $$ \sqrt{9} = 3 $$ |
| ② | $$ 2 \sqrt{16} = 2 \cdot 4 = 8 $$ |
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