Question
Answer
$$13-4\cdot2+4=9$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}13-4\cdot2+4& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}13-8+4 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}9\end{aligned} $$ | |
| ① | $$ 4 \cdot 2 = 8 $$ |
| ② | Combine like terms: $$ \color{blue}{13} \color{red}{-8} + \color{red}{4} = \color{red}{9} $$ |
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