Tap the blue circles to see an explanation.
$$ \begin{aligned}\frac{\sqrt{36}}{400}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{6}{400} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}} \frac{ 6 : \color{orangered}{ 2 } }{ 400 : \color{orangered}{ 2 }} \xlongequal{ } \\[1 em] & \xlongequal{ }\frac{3}{200}\end{aligned} $$ | |
① | The square root of $ 36 $ is $ 6 $. |
② | Divide both the top and bottom numbers by $ \color{orangered}{ 2 } $. |