129| 9
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[几何] 求$\triangle ABC$的外接圆的半径。 |
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Author|
lemondian
Post time 2024-2-18 17:54
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Comments
这个我明白了,关键是后面的边长与面积我老推不出来呢?😅
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Comments
哦哦,我想多了。😅
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2025-3-6 12:01 GMT+8
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