Question
Answer
$$\dfrac{4}{-9+10}=4$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{4}{-9+10}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{4}{1} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}4\end{aligned} $$ | |
| ① | Simplify numerator and denominator |
| ② | Remove 1 from denominator. |
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