题文
已知向量![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/1f03dd794e9680911f80134ecf58e159.png)
=(1,2),
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/fd1f814d508d91e68abb4039dd811e6f.png)
=(2,3).若向量
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/94c034529353d9c0e49d6bc5d5e33912.png)
满足(
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/00564f66abcfe021ef94eb6128048cd1.png)
+
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/e86d9922774fa6f1d1427db70a5902f8.png)
)∥
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/7baa7655683ec66c08f3c427a965290e.png)
,
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/59d20d39e8215a81a5209e0c6f612dcb.png)
⊥(
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/f9594a5d499cfa9362da551f26b0155b.png)
+
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/23c3965d16007dd87459c3d544bcef6f.png)
),则
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/2f96f0db667e07f4ddaf7775030931e1.png)
=[ ]A.(
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/5076aa7415733696e29fbf60238167ac.png)
,
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/b36f5d21971644f473484fa3db463027.png)
)
B.(﹣
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/e469250758915e0d49867468a9aea1f5.png)
)
C.(
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/55668cca7ccf0480b5ec6e5c9adcaa0a.png)
)
D.(
![已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D. 已知向量=,=.若向量满足∥,⊥,则=[ ]A.B.C.D.](https://www.mshxw.com/file/tupian/20210916/b32c76bbc6254683d7feb5995b5dda20.png)
) 题型:未知 难度:其他题型
答案
D解析
该题暂无解析
考点
据考高分专家说,试题“已知向量=(1,2),=(2,3).....”主要考查你对 [向量数量积的运算 ]考点的理解。
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