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                # 空間內兩直線相交 &emsp;&emsp;在三維空間內,兩直線相交公式的推導。整個推導過程假設兩直線一定相交。 :-: ![](https://box.kancloud.cn/f13599db12b13d6cef6148015819d174_598x498.png) &emsp;&emsp;根據![](https://box.kancloud.cn/c7b547867d84283996496ca296f3dfde_50x50.png =25x25)和![](https://box.kancloud.cn/04dafd8c8f4c202199f6d3268e872ba5_50x48.png =25x25)的公式可以計算出點$p$的坐標。
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