在
中,角A、B、C所对的边分别为
,
,
的平分线交
于
,若
的最小值为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e563d90fcc385d68d51c91a73adc9c.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd180bfcb37599a2909172161db9605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6fd27b3b11600ac22f6602e7017647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d6901c9f44da0460d3e64f026d927b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b25dc60e9a26220491227386f2e979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414656636a840bbb9a031d6103239fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e563d90fcc385d68d51c91a73adc9c.png)
更新时间:2022-10-24 11:57:59
|
相似题推荐
填空题-单空题
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适中
(0.65)
名校
【推荐1】记
的内角A,B,C的对边分别为a,b,c,
,若
的面积为2,则当
的周长取到最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfeaf26f178031f78a5545233a2a73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
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解题方法
【推荐2】在如图所示的平面四边形ABCD中,
,
,记△ABD,△BCD的面积分别为
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25b20638146ac0327ae82cd65b1c55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be89b91f05f281190209b1e876299d57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/26/400dc61a-334f-463c-8287-9a7fef9094a3.png?resizew=171)
您最近一年使用:0次
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解题方法
【推荐1】已知函数
,
,若实数
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8138459c901da203d5a613736dd38150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce53bfe71c63461488fddffd4e2095e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
您最近一年使用:0次
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【推荐2】已知
,则当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____ 时,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270e8fc48f9dff4b373443dd1022cfa3.png)
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