在
中,点D是
的中点,
,
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec33b8270e7493da5408ddc3e9848e2.png)
_______ .(用
、
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f1d5b2e9ce636f42a236d6245efdff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9605a19777e78da40af1053cbc03a821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec33b8270e7493da5408ddc3e9848e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da454c230565330eaa7da41f4edf478e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
2023·上海杨浦·二模 查看更多[3]
更新时间:2023-04-21 21:19:21
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】具有方向的线段叫做有向线段,以A为起点,B为终点的有向线段记作
,已知
,如下图所示:如果
,
,则
.若D为AB的中点,
,则用
,
表示
为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ac2daa4b004f59e1f2739e66e7f609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e56742f9c6bcb253f4e9e762993b6b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b614090bd1a4c8472f6317e0f9f91d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62fcdf9d55f82dd16e47a4e00d4cc57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/919ce56a157bf6fb54f0d22016685416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67e851428cb34f697f951a84b3cd7bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c82c87e3e458196a169f8499d4f29e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6913e7ebbf7726d7fd1c826873c69a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/a7519bf9-bf8e-472c-93b2-e8051862678a.png?resizew=150)
您最近一年使用:0次