已知等腰直角三角形
中,
,
,
分别是边
,
的中点,若
,其中
,
为实数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e930d844b960c77a678fa64f11964eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd49ba92f61b93e407d7f64c808e05c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c0d90dac211e58bc0d3309998ba232.png)
A.![]() | B.1 | C.2 | D.![]() |
2023·山东·模拟预测 查看更多[2]
更新时间:2023-04-01 21:02:13
|
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【推荐1】若
=
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=
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不共线,则∠AOB平分线上的向量
为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
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A.![]() | B.![]() | C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
单选题
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适中
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【推荐2】如图所示,已知点
是
的重心,过点
作直线分别交
,
两边于
,
两点,且
,
,则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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【推荐1】过△
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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您最近一年使用:0次
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适中
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解题方法
【推荐2】在
中,
为边
上的任意一点,点
在线段
上,且满足
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