在
中,
,
为
边上一点,且
,若
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1554a565064b98271e70055160268a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbb2dce15f3d0fe839688575d2a8ff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe242f6f92393663d6019ec509aa54f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0268850a25207d5cd5f2c818becfd6a1.png)
2018高三下·全国·专题练习 查看更多[1]
(已下线)2018年5月2018届高三第三次全国大联考(新课标Ⅲ卷)-理科数学
更新时间:2018-05-16 20:38:35
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填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】在
中,
,
,角A的角平分线
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09947ea5c9ea0fe010027f2aa91138b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab3a73f947fe58f60d067b9c51e76a5.png)
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您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐2】如图,
上,
是
上的点,且
,
,
,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212bfbd5575772ca36d6fc3e7b246e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f39dd9e7ee8bd2ae392c3c85820eb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e4a162f12d12a082b8d8fdd1aeab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/34fdda85-a5cb-4ae5-97dd-9e5e1fe49754.png?resizew=213)
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