Question
Answer
$$24-3\cdot15-3\cdot17-3=-75$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}24-3\cdot15-3\cdot17-3& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}24-45-51-3 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}-75\end{aligned} $$ | |
| ① | $$ 3 \cdot 15 = 45 $$ |
| ② | $$ 3 \cdot 17 = 51 $$ |
| ③ | Combine like terms: $$ \color{blue}{24} \color{red}{-45} \color{green}{-51} \color{green}{-3} = \color{green}{-75} $$ |
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