Question
Answer
$$(\dfrac{6}{2})^2+6\cdot2=21$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}(\frac{6}{2})^2+6\cdot2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}(\frac{6}{2})^2+12 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}9+12 \xlongequal{ } \\[1 em] & \xlongequal{ }21\end{aligned} $$ | |
| ① | $$ 6 \cdot 2 = 12 $$ |
| ② | $ 3 ^ 2 = 9 $ |
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