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[几何] 将军饮马的变形

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走走看看 posted 2024-5-9 16:57 |Read mode

将军饮马的变形.png

经常可见的是EF∥AB,但这里却不是。

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kuing posted 2024-5-9 17:07
取点 G 使得 `\vv{EG}=\vv{AB}`,变成求 `BG+BF` 的最小值,就是常规的饮马了。

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original poster 走走看看 posted 2024-5-9 17:33
kuing 发表于 2024-5-9 17:07
取点 G 使得 `\vv{EG}=\vv{AB}`,变成求 `BG+BF` 的最小值,就是常规的饮马了。
很好。谢谢!💯

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