如图,在
的方格中,已知向量
的起点和终点均在格点,且满足
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be280a1a27400288a5ba48b112305c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
22-23高一下·北京顺义·期中 查看更多[5]
北京市顺义区2022-2023学年高一下学期期中考试数学试题(已下线)第二节 平面向量基本定理及坐标表示 B素养提升卷(已下线)考点巩固卷12 平面向量(十二大考点)(已下线)模块一 专题1 《平面向量的概念与运算》(人教A2019版)B【练】(已下线)模块一 专题3《平面向量的概念与运算》单元检测篇B提升卷(北师大版高一期中)
更新时间:2023-06-19 00:26:00
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【推荐1】给出以下结论:①
;②
;③
;④
或
;⑤
.其中正确的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149bfcfa82b44cd4b04e1c4e424d6583.png)
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【推荐2】如图所示,点D为
上靠近C的四等分点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09ca491162ce6c7529107cd951486be3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016732564865024/3017013478432768/STEM/eda984121c1943a7a846466cb8d9feec.png?resizew=188)
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【推荐1】在
中,
,
为边
的中线,G为
的重心,则用
表示向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6def0603fc66f3e451a104aea78b853.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
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【推荐2】若函数
的图像与
轴交于点
,过点
的直线
与函数的图像交于另外两点
、
,
是坐标原点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70689d5805f5ce77d9eea563761d45a.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3efab8d72748db003c272232459a2c.png)
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