真题
解题方法
1 . 已知
,且
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e533b8b204982c7d42001a20b9548a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 已知平面向量
,
在由正方形组成的网格中的位置如图所示(网格中面积最小的正方形边长为1),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知向量
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3a965d00b6b859d47ef7a35d94e39e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137b7aab11fe594db29771aee9280a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a31fbb1eaa5fdaa9fd734d62faabeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
解题方法
4 . 设向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb11592a8871819f9045d311d420342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12b22a1ed003a21a35e379d9c815745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668f0254cf71230731ceb71bfc0e07a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.0 | C.6 | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a820047334d2482e3521f8b33a8b002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abeb1bbd1d18d3631152eff6b0fd0af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
解题方法
6 . 已知向量
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1716644f93670fa9ccb83987074374a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4edc4d166651e7ac06eb7ab3b517c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
解题方法
7 . 已知向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993e9681181da32d59da5aa14daa853a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bafea1239cf295b70c767acba98d8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知
为共线向量,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e93209d740ce5293801b593beade903.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
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265ce956493513dc90ee46ec2218b72a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8c466ff442f33b5d756e1723e2ccf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/668f0254cf71230731ceb71bfc0e07a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
名校
解题方法
10 .
与
的夹角为锐角,
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fcec24159ada8e1d4caf18008a2137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次