解決-7pi/9pi/180 |Microsoft數學求解器

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\frac{-7\pi \pi }{9\times 180}

-\frac{7\pi }{9} 乘上 \frac{\pi }{180} 的算法: 將分子和分子相乘以及將分母和分母相乘。

\frac{-7\pi ^{2}}{9\times 180}

將 \pi 乘上 \pi 得到 \pi ^{2}。

\frac{-7\pi ^{2}}{1620}

將 9 乘上 180 得到 1620。

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