题型:单选题
难度:0.85
引用次数:650
题号:17917798
如图,
中,
,
,
,将
折叠,使点 C 与
的中点 D 重合,折痕交
于点 M,交
于点 N,则线段
的长为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b5010be422c4f22b45e5a476f4c6457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4fb50a3d5eff4f84da991aed5e09158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/236f94ca-269c-4166-ab5c-11107d661f41.png?resizew=183)
A.![]() | B.![]() | C.4 | D.![]() |
更新时间:2023-01-18 08:40:58
|
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单选题
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名校
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