Question
Answer
$$r((10+6)^2+(4+7)^2)=r\cdot377$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}r((10+6)^2+(4+7)^2)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}r(16^2+11^2) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}r\cdot(256+121) \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle3}{\textcircled {3}} } }}}r\cdot377\end{aligned} $$ | |
| ① | Combine like terms: $$ \color{blue}{10} + \color{blue}{6} = \color{blue}{16} $$Combine like terms: $$ \color{blue}{4} + \color{blue}{7} = \color{blue}{11} $$ |
| ② | 4+7=114+7=11 |
| ③ | Combine like terms: $$ \color{blue}{256} + \color{blue}{121} = \color{blue}{377} $$ |
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