如图,在
中,
为线段
上靠近
点的三等分点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2998d23bb3035d00613bc376b6f85682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://img.xkw.com/dksih/QBM/2022/3/23/2942360372477952/2945042038079488/STEM/d333bcfb-1b1e-463a-965a-27facf13cbe5.png?resizew=149)
21-22高一下·江苏淮安·阶段练习 查看更多[2]
更新时间:2022-03-27 07:26:16
|
【知识点】 平面向量共线定理的推论
相似题推荐
填空题-单空题
|
较易
(0.85)
解题方法
【推荐1】已知
三点共线,O为直线外任意一点,若
,则
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999bcbd024bec7b4a2596e8db4538ae3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0860ea46349836e3de0e30ec125b0b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
名校
解题方法
【推荐2】在
中,已知
,
,
与
交于点O.若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc51f6e91cfe02d4ceff7ba933384141.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d133bcf2a8104ed6abb51e51e0670f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc51f6e91cfe02d4ceff7ba933384141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f40795a89d5bb7a183fc3afe2e7dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
您最近一年使用:0次