Question
Answer
$$\dfrac{\sqrt{81}}{36}=\dfrac{1}{4}$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{\sqrt{81}}{36}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{9}{36} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}} \frac{ 9 : \color{orangered}{ 9 } }{ 36 : \color{orangered}{ 9 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{1}{4}\end{aligned} $$ | |
| ① | The square root of $ 81 $ is $ 9 $. |
| ② | Divide both the top and bottom numbers by $ \color{orangered}{ 9 } $. |
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