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[几何] 任意三角形中一条中线一条对角线的相关模型

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郝酒 Posted at 2014-9-23 21:53:14 |Read mode
下面这些模型都有哪些结论和题目啊?
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kuing Posted at 2014-9-25 21:39:12
记 $AA_1=m_a$, $AA_2=w_a$, $BC=a$, $AB+BC+CA=2s$,则
\[m_aw_a\geqslant s(s-a).\]

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2025-4-21 14:14 GMT+8

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