已知:点
在同一直线 上,
为线段
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4496fe22b40bc63581998e6b7ef6783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6913dad8d24601af66ec949b19aa50b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27ae4abe9a90ac25d09482ab9b965a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
更新时间:2022-04-03 13:26:05
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【推荐1】延长线段
到
,使
,反向延长
到
,使
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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名校
【推荐2】已知线段
,
,下面有四个说法:
①线段
长可能为2cm; ②线段
长可能为14cm;
③线段
长不可能为5cm; ④线段
长可能为9cm.
所有正确说法的序号是________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cee49e97546d466ba3ee630e08cdc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafddfd80f69337909f6eac0f0dbfd59.png)
①线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
③线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
所有正确说法的序号是
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【推荐1】已知A、B,C三点在同一直线上,
,
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的长为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35ed92397da56c7afbd6967597a9611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/245c24bc367dadfa17a54f98b6552af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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【推荐2】线段AB的长为2cm,延长AB到C,使AC=3AB,再反向延长AB到D,使BD=2BC,则线段CD的长为 _____ cm.
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【推荐1】已知线段
和
在一条直线上,如果
,
,则线段
的中点
和
的中点
之间的距离
的长是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2fae188b381c5ba01b3d9d742c687dd.png)
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【推荐2】如图,C是线段AB上一点,M是AC的中点,N是CB的中点,如果AB=10cm,则MN=___________
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/86835804-8547-41dd-8d86-9439a2f06af5.png?resizew=280)
您最近一年使用:0次