C为直线
上一点,且线段
,
,则
的长度是 ________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b35ed92397da56c7afbd6967597a9611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da2b024e5926973d8e69d466b9c0e94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
更新时间:2022-11-28 18:15:43
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【知识点】 线段的和与差
相似题推荐
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【推荐1】如图所示,点P是AB的中点,点Q是BC的中点.
![](https://img.xkw.com/dksih/QBM/2019/9/3/2282790364807168/2282820749271040/STEM/b6ff7e6d6e9946ee96fb90173950ddf1.png?resizew=125)
(1)
cm,
cm,则PQ=_________ cm;
(2)
cm,
cm,则AC=_________ cm;
(3)
cm,
cm,则AQ=_________ cm.
![](https://img.xkw.com/dksih/QBM/2019/9/3/2282790364807168/2282820749271040/STEM/b6ff7e6d6e9946ee96fb90173950ddf1.png?resizew=125)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d82c344e08faef0d393cdf5b73ad9a3.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313cde3e18fb7d247e8da3195313d950.png)
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【推荐2】如图,点C在线段AB上,且AC:BC=2:3,点D在线段AB的延长线上,且BD=AC,E为AD的中点,若AB=40cm,则线段CE=____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/506fc137-39a5-4b96-af8f-23e1a320ba52.png?resizew=350)
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