如图,线段
被点C,D分成
三部分,M,N分别是
,
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6580cf4b66e39323c7e845267be99628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17144ca1a4bcac5d74e61a2709e7303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c978d92edf0c4c1ef8620c17df75d35e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/064bd36a-d57f-4940-a99c-0946f02538ed.png?resizew=252)
更新时间:2024-02-23 12:55:51
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【推荐1】数轴上的点M表示有理数
,将点M向右平移1个单位长度到达点N,点E到点N的距离为3,则点E表示的有理数为________ .
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【推荐2】如图,已知点A、B是直线
上的两点,AB=12cm,点C在线段AB上,且BC=4cm,点P、点Q是直线上的两个动点,点P的速度为1cm/s,点Q的速度为2cm/s,点P、Q分别从点C,B同时出发沿某一方向在直线
上运动,则经过______ s时线段PQ的长为5cm.
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名校
【推荐1】如图,
,
是线段
上两点,
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是
的中点,则线段
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【推荐2】如图所示,点C是线段AB上的点,点M、N分别是AC、BC的中点,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59781198f95635ffcda914beed8912a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bd941c20881e0af3d0c5608635967b.png)
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【推荐1】如图,
,O为线段
上的任意一点,C为
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________
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐2】如图,线段
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fae188b381c5ba01b3d9d742c687dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04549edff9448eb878e44e6e0f3af18a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6a5a4813d0f1d25a6b672a2e69dfe0.png)
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