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[组合] 两个三角形M,N,求证M的最短边就是N的最长边

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abababa posted 2023-7-11 09:21 |Read mode
平面上有6个点,其中任意3点都能组成不等边三角形。求证所有这些三角形中存在两个三角形M,N,使得M的最短边就是N的最长边。

没什么思路。

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