已知点
是线段
上的一点,不能确定点
是
中点的条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-02-28 21:39:43
|
相似题推荐
单选题
|
容易
(0.94)
【推荐1】如图,已知D是线段
中点,延长线段
至C使
,则下列结论中①
:②
;③
;④
;⑤
;⑥
,正确的有( )
![](https://img.xkw.com/dksih/QBM/2021/4/12/2698278321037312/2698368038952960/STEM/b8d615b0-40e0-4e49-8dbf-4853348dbcf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be86349e06431647f8e359d9bd07700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e4a162f12d12a082b8d8fdd1aeab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3976d08e5f9e24e76ce9579c06a8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e133d4ed5cacb69d87a971d47fc330b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fd0d8f89eb68840ac34413982145ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eeebcda2b5d5a6bae95f50aaf21f04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e968a812ee068fbca8034ef397f6034b.png)
![](https://img.xkw.com/dksih/QBM/2021/4/12/2698278321037312/2698368038952960/STEM/b8d615b0-40e0-4e49-8dbf-4853348dbcf6.png)
A.①③④⑥ | B.①②⑤⑥ | C.①②③④ | D.②③⑤⑥ |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】如图,A,
,
依次为直线
上三点.
为
的中点,
为
的中点,且
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6747441b260ca043446b5d472fece440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae415867ef2104af480f10bf2be1d4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/2/bf9bbc33-b440-42ac-bb03-325d70816612.png?resizew=320)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次