1158| 7
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[几何] D是△ABC的BC中点,延长AD交外接圆于E.延长CB交A点切线于P.在AE上取F点使DF=DE,证PA=PF |
Author|
TSC999
Posted 2025-4-2 08:02
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Author|
TSC999
Posted 2025-4-2 08:04
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Author|
TSC999
Posted 2025-4-2 22:13
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Comment明白了,谢谢!您这个证明是完全正确的!
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Author|
TSC999
Posted 2025-4-5 10:53
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2025-6-5 01:07 GMT+8
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