名校
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5fa754a0f314c4f2d9fcd21284298a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470a202737e800eb51dbaec192424ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5fa754a0f314c4f2d9fcd21284298a3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 化简![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f592e69fdfb1bcc9c4541ced46356042.png)
_____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f592e69fdfb1bcc9c4541ced46356042.png)
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名校
3 . 已知
,向量
满足
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09225953caa840055397bc34d4f0726c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c308ea87b699ee1dcb879a568899de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9d0fffac0ac202601631344af016bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d2bb1248ff1123ebc2cb9d7fc16d25.png)
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4 . 已知
,且
,则
等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29a22a8bdd026f1199a4e418afcd240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d2e35bf147e00240c3ffc0a62aa0a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24065d444e68ede7fe10b02e92b70d7d.png)
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5 . 已知
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e8382c1ce605c712a1d080fd4e1684.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4871bb749d2668dcce89206040c0f2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc134a7a24e127cc3b805acde03ae432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f898ec270469f790b7200dd95c1530ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e8382c1ce605c712a1d080fd4e1684.png)
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6 . 已知正方形
的边长为1,
,
,
,则![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/06bc03f1cf604238a003d654693e75c8.png?resizew=79)
_______ .
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/b54ac8fe7c7b4c278223ac44ad0be7a6.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/02644961e199469ca19aa534693e1dfc.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/b2ba470a55b244b5b8a7c769693206bc.png?resizew=51)
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/ac29916c4fcd45ceacea23449f403f23.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2016/11/24/1573170797461504/1573170803245056/STEM/06bc03f1cf604238a003d654693e75c8.png?resizew=79)
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解题方法
7 . 如图,正方形
中,
分别是
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad17ac058eacfd406ccd7106150ff44e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e426224c3a3ce9bb5a731eed81c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41227a8499b42c2c6a28c57c44b3d241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad17ac058eacfd406ccd7106150ff44e.png)
![](https://img.xkw.com/dksih/QBM/2016/12/27/1619411612008448/1619411612401664/STEM/0219215f50d04aa68fd97a47da621500.png?resizew=193)
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名校
8 . 对于平面向量,给出下列四个命题:
命题
:若
,则
与
的夹角为锐角;
命题
:“
”是“
”的充要条件;
命题
:当
为非零向量时,“
”是“
”的必要不充分条件;
命题
:若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5694ef55eb519c4e494ec33c74f6439e.png)
其中的真命题是
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f3a51cf7b7cbdac7397ecd9f6dd177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696bf63a3a726968a19b8927be5a2112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0928087301c0628fba2a9cd3af14f34d.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ef5682adcd343527aa8ba7d3e470b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3401a0f05b6fe79c2b2969b95fbbec.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b21b872313f7d8c5b606981f954a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69613bda5b1face9751a8c13ae757ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784490305160d902b95a3c6f36f587f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e6c62f36b2bf6cc40601102973ae60.png)
命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc119550ce4fc5f3d1daf996e7243bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030c8d4c6839907d8c976df3bef0b0a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5694ef55eb519c4e494ec33c74f6439e.png)
其中的真命题是
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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名校
9 . 若抛物线
(其中角
为
的一个内角)的准线过点
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0289ab24ba4b5361c885dbd7c8a25e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4bc423bfc519c927a724bda94f8707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5532a691aeee6d35d3f19b237f82f0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2010·安徽·一模
名校
10 . 若
,
,
,则
与
的夹角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd18461fd9d77e6fa46a654f0ab540f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939955fcd19578dc8f37415c60b187ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/651ea21709173040f2fb60e343422891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
A.30° | B.45° | C.60° | D.75° |
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8卷引用:2016届安徽省六安一中高三下组卷三理科数学试卷
2016届安徽省六安一中高三下组卷三理科数学试卷(已下线)2011届安徽师大附中高三第一次模拟考试文科数学卷(已下线)2013届浙江省绍兴一中高三10月阶段性测试理科数学试卷2015-2016学年江西省南昌莲塘一中高一上学期期末数学卷2015-2016学年福建省上杭一中高一下4.20半期数学卷2016-2017学年河南省新乡市延津县高中高二上学期入学考数学卷江西省南昌市第十九中学2024届高三下学期第二次模拟考试数学试题【全国百强校】湖北省宜昌市第一中学2017-2018学年高一下学期期末考试数学(理)试题