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[几何] 三角形的内切锥线和塞瓦定理 |
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$\left(y-\frac{a^{2}-b^{2}}{b}\left(\sin t\right)^{3}\right)$应为$\left(y\color{red}+\frac{a^{2}-b^{2}}{b}\left(\sin t\right)^{3}\right)$
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楼主|
hbghlyj
发表于 2021-5-31 18:48
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楼主|
hbghlyj
发表于 2021-6-1 12:12
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