解题方法
1 . 已知向量
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd08cfa103788811e6d78f326e1d5cf.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3576ad2d3acf6136df34f6277d0607f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/327f6f39a8af4fb099018d003c55b0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b030ff1967682591d1408f06ca71bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecd08cfa103788811e6d78f326e1d5cf.png)
您最近一年使用:0次
名校
解题方法
2 . 已知向量
满足
,且
,则
在
方向上的投影为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790dcacb14dab2c477424575fb079a23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ba996f653018f51802b36617c0923b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
您最近一年使用:0次
解题方法
3 . 若非零平面向量
,
满足
,则( )
![](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/5b39a3c10338a4e17c511d9ce182c25d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知向量
满足
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e47315c53c61d888744377e45fc50c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb76c2f69a06ccb041399ff1358c462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce986207a1107cec887371d8819db6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e47315c53c61d888744377e45fc50c.png)
您最近一年使用:0次
2021-09-05更新
|
740次组卷
|
5卷引用:湖北省九师联盟2021-2022学年高三上学期8月开学考数学试题
湖北省九师联盟2021-2022学年高三上学期8月开学考数学试题(已下线)专题14 平面向量-备战2022年高考数学(理)母题题源解密(全国甲卷)(已下线)专题13 平面向量-备战2022年高考数学(文)母题题源解密(全国甲卷)河北省唐山市玉田县2022届高三上学期8月开学考试数学试题黑龙江省绥化市绥棱县第一中学2022-2023学年高三上学期12月月考数学试题
名校
解题方法
5 . 在
中,若
,
,
,则
的模等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f89deb952f57f4b3fa4887b098b7b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef352cae34d341c21b33a0008ca834ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6b76b84f59139b6b11f010498b2bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c56c878f346a792be7823ac89c7122.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb2887546658b65711e1d3f6a9071878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2162811451333465204053569f6e9293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87aefab2c348022dff54224715ad9d4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知平面向量
,
,且
,则
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a08ed47d6563ffa369eec7374cccffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8917ef227f25706ea1630ee0beb7dcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ef55542504e8d147448cbfb6eaad7a.png)
您最近一年使用:0次
2021-07-15更新
|
590次组卷
|
3卷引用:湖南省株洲市第二中学2022届高三下学期期中数学试题
解题方法
8 . 若单位向量
,
满足
,记
,
的夹角为
,则
( )
![](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/318d62d16c095c1d231abbf5cae363e0.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/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18ac2817c37f1e8ceaf0b2ad0719945.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知非零向量
,
满足
,且
,则
与
的夹角为___________ .
![](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/0c94cef6cbc6447bffb22724e18b0333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1caac1cb1aabeb5ebb5b44cf7c6c2524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
您最近一年使用:0次
10 . 已知平面向量
,
,满足
,
,则
的值为______ .
![](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/6ce2d027f04a83bca57cd1ebc6e82b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/510d6d822384d7ce19c76d1ca65eba93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a8f20036b1e7cfb0800f141d843718.png)
您最近一年使用:0次