名校
解题方法
1 . 已知向量
,
,若
与
方向相反,则
等于___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062f211e48fcb4273f053ad5a66b665e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ee8faf625ccd5fbc7f04e1413b745d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2021-05-07更新
|
452次组卷
|
3卷引用:北京市海淀区清华大学附属中学2022-2023学年高二下学期统练1(3月月考)数学试题
名校
2 . 已知向量
,则
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba03191202e5afb1a1744eed0de274f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c08f96dfb99f90bb24aeebec8695b4.png)
您最近一年使用:0次
2021-08-14更新
|
435次组卷
|
2卷引用:北京市海淀实验中学2023-2024学年高一下学期3月月考数学试题
名校
解题方法
3 . 已知向量
,
,若
,则实数t的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788fa471d53a8be8dd55f561aecbf99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bea94b27851ae86cf60a07c54346b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
您最近一年使用:0次
2021-08-29更新
|
429次组卷
|
6卷引用:北京市中关村中学2023届高三上学期10月月考数学试题
名校
解题方法
4 . 如图,在平行四边形
中,E,F分别是
和
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b62a6a6167b2832999c152ed5b96ef.png)
______ ;若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51643ed3f57a6802bc551dc10366ef9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c46dc3cfd26cdc949eabd58eb1e87e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b62a6a6167b2832999c152ed5b96ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72979b53b9ebdde0e85f46dd0736e8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51643ed3f57a6802bc551dc10366ef9.png)
![](https://img.xkw.com/dksih/QBM/2022/4/8/2953990763020288/2954000851288064/STEM/0d58bc65-381a-4249-94ca-fe3334657d1a.png?resizew=204)
您最近一年使用:0次
5 . 已知向量
,
,,那么
= ______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d224f1ca324c898da5f50153ded24b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3973c08540fde8ca16c59a21334800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afc391105ca04c187e6be5bd77acc78.png)
您最近一年使用:0次
解题方法
6 . 已知向量
,且
,则实数
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92bb3b47c3e9d2d3bc5fb040b46aa987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
7 .
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
__________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4475d6ed75f6414982075a5a989226cd.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014099ee9ef638fdcda42ed8dfb0668a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc8ea4d1e647b88e5ab998cf9483dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4475d6ed75f6414982075a5a989226cd.png)
您最近一年使用:0次
名校
解题方法
8 . 两个非零向量
,
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee0600eb9f946c460482bc9bbd23cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f51ef0dd5d5633a07da869eaa9fad5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
名校
解题方法
9 . 已知向量
在正方形网格(小正方形的边长为1)中的位置如图所示则向量
在向量
上的投影的数量为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96022a881e03e32d3483d997c3f170c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8827d05338e55f9b60f882d66492ff70.png)
![](https://img.xkw.com/dksih/QBM/2021/12/29/2883193170640896/2883521596268544/STEM/2dc118f341bd45d5b9ad252146766472.png?resizew=274)
您最近一年使用:0次
名校
10 . 已知
,已知
三点共线.①实数
的值是___________ .②若
,则实数
的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c282a688e7f990640c7ebd09e9858454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2cbe4db1a3ee3f20ec0f571e28a03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次