名校
1 . 如图所示,
是
的中线.
是
上的一点,且
,若
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45381c6355dd0e6df783dd563aa85b39.png)
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/aa3e134c-69fc-43ca-9007-a1b92e94b5db.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69d68149d02ad6f732dc9b20600d5510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8d62840d6636267dc58856cf2adf09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45381c6355dd0e6df783dd563aa85b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/aa3e134c-69fc-43ca-9007-a1b92e94b5db.png?resizew=140)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-10-08更新
|
978次组卷
|
6卷引用: 第六章平面向量章节检测—2021-2022学年高一上学期数学人教B版(2019)必修第二册
第六章平面向量章节检测—2021-2022学年高一上学期数学人教B版(2019)必修第二册皖豫名校联盟体2022届高三上学期第一次文科数学试题皖豫名校联盟体2022届高三上学期第一次数学理科试题广东省深圳市福田中学2022届高三上学期10月第二次月考数学试题(已下线)10.1 平面向量的线性运算及基本定理(精练)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)(已下线)第39讲 章末检测六
名校
解题方法
2 . 已知向量
=(1,0),
=(0,1),
=
+λ
(λ∈R),向量
如图所示.则( )
![](https://img.xkw.com/dksih/QBM/2021/9/12/2806317512343552/2816439122403328/STEM/4d370d6674a94ed7a3be4c2a43562046.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec655f610928ca21831e26645a21e99c.png)
![](https://img.xkw.com/dksih/QBM/2021/9/12/2806317512343552/2816439122403328/STEM/4d370d6674a94ed7a3be4c2a43562046.png?resizew=180)
A.存在λ>0,使得向量![]() ![]() |
B.存在λ>0,使得向量![]() ![]() |
C.存在λ<0,使得向量![]() ![]() |
D.存在λ>0,使得向量![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6fc2ffb4e0e4797158ddfe5fe62059.png)
_______ ;若
,则实数
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d490b3a703f54b2ec0f217980c9e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec6301552b9105c86d0b76ddc5e8829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6fc2ffb4e0e4797158ddfe5fe62059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d11c43bcd43124b4da9c92cba8974c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2021-09-26更新
|
464次组卷
|
3卷引用:北京市房山区2022届高三上学期入学测试数学试题
名校
解题方法
4 . 已知点
是边长为
的正方形
及其内部的一点,实数
满足
.当
取得最大值时,数对
可以是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d46554a41e34a9c05543585caf95cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a9c27ea53c6748e4a788b7400f25a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
您最近一年使用:0次
名校
解题方法
5 . 已知向量
,
,且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215173153b5f88cdf8176c405ed1cf0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f52b7e80c383bfc7729937f127669d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069da5c624837df29947b7b8bf722097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c250094127e2b3c878d68213b60407.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 如图,在矩形
中,
,
,
为
上一点,
.若
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/2d5c7324-2f0a-4f5d-844a-5e0fba89860f.png?resizew=139)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d82eb1b9d5c8e7a997888a27377a02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3175baa49394a54b46bda191a7f88a03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/2d5c7324-2f0a-4f5d-844a-5e0fba89860f.png?resizew=139)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知平面直角坐标系内一点
,向量
,向量
,那么
中点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00b4ba62036612912b44acf6572fd300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5258d13bd2addc6055f7ffa34f0e0801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbba8111482d533844124888e131377.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-03更新
|
705次组卷
|
3卷引用:北京市景山学校远洋分校2020-2021学年高一下学期期中考试数学试题
北京市景山学校远洋分校2020-2021学年高一下学期期中考试数学试题第六章 平面向量初步章末检测(基础篇)-2021-2022学年高一数学同步知识梳理+考点精讲精练(人教B版2019必修第二册)(已下线)6.3.3平面向量加、减运算的坐标表示(导学案)-【上好课】
解题方法
8 . 设向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885e1070f24b5643a006eda6a2326666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb850bf34479b6d1c19a2e464672fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-16更新
|
238次组卷
|
2卷引用:北京市延庆区2020-2021学年高二下学期期末考试数学试题
名校
解题方法
9 . 已知向量
,若
与
方向相同,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a76ddd674d73364de634ec2d92977a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-08-15更新
|
535次组卷
|
7卷引用:北京市2020-2021学年高一数学上学期期末考试试题
名校
解题方法
10 . 在△ABC中,点D满足
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a53da65c14e9ab0ee6351377136e916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f92aef16f5f17f7613e92f34c38e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5113986d9507fc5015e71989831c128b.png)
您最近一年使用:0次
2021-08-14更新
|
785次组卷
|
5卷引用:北京市海淀区2020-2021学年高一下学期期中数学试题