Question
Answer
$$r\cdot11cxr\cdot3c=33c^2r^2x$$
Explanation
| $$ \begin{aligned}r\cdot11cxr\cdot3c& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}33c^2r^2x\end{aligned} $$ | |
| ① | $$ r \cdot 11 c x r \cdot 3 c = 33 c^{1 + 1} r^{1 + 1} x = 33 c^2 r^2 x $$ |
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