已知向量
,
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502898f458824b8254404da78e7d67fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82272ffb8fb86aa99d63a43ff6c33fb3.png)
A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
22-23高一下·河南驻马店·阶段练习 查看更多[2]
更新时间:2023-08-10 23:29:08
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单选题
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较易
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【推荐1】如果向量
共线,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e15c44416e9d3566b60f1fb91db58.png)
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A.![]() | B.![]() | C.2 | D.0 |
您最近一年使用:0次
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【推荐2】与
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A.(![]() ![]() | B.(-![]() ![]() |
C.(![]() ![]() ![]() ![]() | D.(±![]() ![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
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【推荐1】已知向量
,
,
,若
,
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为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d448794d6a1f2942195244ff38f4dcf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab592c767a22ea1cc7ef5d87c1f3e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb9349bed0149f2ff18c2739fa0741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b23cc1e2140104001dd399ace17e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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【推荐2】已知
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与
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0105285d408e25320cd33170e91a11e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
A.![]() | B.6 | C.3 | D.![]() |
您最近一年使用:0次