名校
解题方法
1 . 已知向量
,
的夹角为60°,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6d343208f0f5e3aab71004c245dabe.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/e32fcd19a530192f449725520e6a8d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6d343208f0f5e3aab71004c245dabe.png)
您最近一年使用:0次
2021-09-05更新
|
921次组卷
|
4卷引用:宁夏银川一中2022届高三上学期第一次月考数学(文)试题
宁夏银川一中2022届高三上学期第一次月考数学(文)试题黑龙江省七台河市勃利县高级中学2021-2022学年高三上学期期中考试数学(文)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)
名校
解题方法
2 . 已知向量
,
满足
,
,且
,则
的值为______ .
![](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/4244dd3d11b8c8131ffecd896c12a27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3faf74fe3a181b40775b5c92e0dcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb26135c725111e3c1f606e7a10fb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32380e5efccb4323c09c22f544ab85b8.png)
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2021-07-10更新
|
546次组卷
|
2卷引用:安徽省示范高中培优联盟2020-2021学年高二下学期春季联赛文科数学试题
解题方法
3 . 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8769d7bf2001355155359c70d8566.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d658a7a617e6076956f59c49db8a7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72088a7a10b8e8e73be8954626611ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b8769d7bf2001355155359c70d8566.png)
您最近一年使用:0次
2021-03-25更新
|
668次组卷
|
2卷引用:沪教版(2020) 必修第二册 领航者 第8章 平面向量 每周一练(1)
4 . 已知
满足
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1651e5bd12cfa77a4a4237efbdd2a1.png)
_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09225953caa840055397bc34d4f0726c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35c5d1f06d84e5b6b1ff0dca39bb044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1651e5bd12cfa77a4a4237efbdd2a1.png)
您最近一年使用:0次
5 . 已知
,
,
与
的夹角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b175c346008753bede95295ed7074e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0b40ab957abd03f1db03ddf71242fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ace13ebf9148c275e0b1f0ac5f5b6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b175c346008753bede95295ed7074e.png)
您最近一年使用:0次
6 . 已知
的夹角为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8404ec91eee469c81b43dd4b883b700.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dacf9bebc41e3e9cc45822d768b0075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8404ec91eee469c81b43dd4b883b700.png)
您最近一年使用:0次
名校
7 . 已知两个不相等的平面向量
满足
,且
与
的夹角为120°,则
的最大值是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e578d000fbcaf01ed05d4709578bad1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c2ebbee6f744bce7a5720d61a61926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cbf841c5400eaf3504280d1cb9350cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72272fd5fc4b81f805ae2d1e38a3b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df8f569ac1528008b21404e5ed65540.png)
您最近一年使用:0次
8 . 向量
的夹角为120°,且
,则
等于______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/406b5eb37772dba7e4884a6c25a51d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af060f42e65bde15907dbb87c1e6318a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
您最近一年使用:0次
9 . 设数轴上有四个点A,B,C,D,其中A,C对应的实数分别是1和
,且
,
是单位向量,则点B对应的实数为______ ;点D对应的实数为________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978e36d404beb472f4dd4fb9f25bddd6.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f07370ea0264e6ffee20247119472bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbba7bff7720b3aa33f29936ede7819e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978e36d404beb472f4dd4fb9f25bddd6.png)
您最近一年使用:0次
10 . 已知点O固定,且
,则A点构成的图形是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339aba1fa9489ff079d6943e8e924e52.png)
您最近一年使用:0次
2019-05-17更新
|
469次组卷
|
2卷引用:步步高高一数学暑假作业:作业22 平面向量的实际背景及基本概念