如图,已知点C在线段
上,点M、N分别是
的中点,且
,则
的长度为( )
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/3a707b79-1e7f-4c9a-9921-c95c572bc5f0.png?resizew=260)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ed1fce01430ae31294c29d626626f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cee49e97546d466ba3ee630e08cdc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/3a707b79-1e7f-4c9a-9921-c95c572bc5f0.png?resizew=260)
A.2 | B.4 | C.6 | D.8 |
更新时间:2018-02-04 20:35:20
|
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较易
(0.85)
【推荐1】下列语句正确的是( )
A.在所有联结两点的线中,直线最短 |
B.线段AB是点A与点B的距离 |
C.三条直线两两相交,必定有三个交点 |
D.在同一平面内,两条不重合的直线,不平行必相交 |
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单选题
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【推荐2】下列语句中:(1)角平分线是一条直线;(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee20aa93fc87156db8b4b60d0017914.png)
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A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
单选题
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【推荐1】如图,点C把线段MN分成两部分,且
,点P是MN的中点,
,则MN的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/18/82418892-20d7-4325-bb97-fa7c90d6cbb5.png?resizew=138)
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单选题
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较易
(0.85)
【推荐2】如图,点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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A.4个 | B.3个 | C.2个 | D.1个 |
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