若向量
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5178c7ec834b7206ebb2c19057f047d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847126af87008b9d27d74ebcad0f03b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
A.0 | B.2 | C.39 | D.49 |
更新时间:2022-03-18 16:56:26
|
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【推荐1】若向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda3f2bbb62d0e0abc140c174944aa89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d07f61c994e5efc8466fcc2387f4772.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.2 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
单选题
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容易
(0.94)
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【推荐2】已知平面向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a7cc6cd70760c0b41b8ea29b18828a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9edf1134f076b4a1c32712cb902e3a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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容易
(0.94)
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【推荐1】向量
(1,﹣2),
(2,﹣1),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7481aca88fa2c15f6f9162080b37f0d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a990fff176ad776384e5c73687bf22e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
A.5 | B.3 | C.4 | D.-5 |
您最近一年使用:0次