如图,在
方格中,向量
,
,
的始点和终点均为小正方形的顶点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/26859690-354c-463c-9bda-44ed449696fd.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb9d60d456560e9bac66c8b20c49bb1.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/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/26859690-354c-463c-9bda-44ed449696fd.png?resizew=118)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-07-08 20:43:07
|
相似题推荐
多选题
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较易
(0.85)
名校
【推荐1】已知向量
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21e2f1ab7c983cd9328fdc6e281949f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe4aa7751ac7cdaf57eeec30291d45e.png)
A.![]() |
B.![]() |
C.与向量![]() ![]() |
D.向量![]() ![]() ![]() |
您最近一年使用:0次
多选题
|
较易
(0.85)
【推荐2】设向量
,
的夹角为
,且
,
,
,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/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f6805879770a8fa81e549922d18e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdffd44a220a95578b96e6a88afef75c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45682b154c8f507d7f37c9ec8055bed2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
多选题
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较易
(0.85)
【推荐3】已知向量
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7b613d8937e2197f7080d752ff6b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c316635c147b211f1e38e8951c15224f.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
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解题方法
【推荐1】已知向量
,向量
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a2a233d207aaf285ca2012c1fb0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3a2d28c5ae3373e6e85277343bf683.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
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较易
(0.85)
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【推荐2】如果平面向量
,
,那么下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28dff57a90cf81878a8ae152e845dd50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468322cef1887fec96c304371e580bc5.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次