Question
Answer
$$2\cdot4\cdot(4+4)-3\cdot(4+4)=40$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}2\cdot4\cdot(4+4)-3\cdot(4+4)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8\cdot8-3\cdot8 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}64-24 \xlongequal{ } \\[1 em] & \xlongequal{ }40\end{aligned} $$ | |
| ① | $$ 2 \cdot 4 = 8 $$ Combine like terms: $$ \color{blue}{4} + \color{blue}{4} = \color{blue}{8} $$Combine like terms: $$ \color{blue}{4} + \color{blue}{4} = \color{blue}{8} $$ |
| ② | $$ 8 \cdot 8 = 64 $$ |
| ③ | $$ 3 \cdot 8 = 24 $$ |
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