64| 7
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[几何] 逆等线下的线段最小值 |
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楼主|
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发表于 2024-7-3 08:59
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楼主|
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发表于 2024-7-3 11:54
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点评
啧啧,Geogebra 直接用
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楼主|
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发表于 2024-12-24 10:05
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GMT+8, 2025-3-4 16:45
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