已知向量
在正方形网格中的位置如图所示.若网格纸上小正方形的边长为1,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03132203fb50ce7d2a7258db049d14f2.png)
A.4 | B.1 | C.![]() | D.![]() |
更新时间:2024-06-04 12:32:15
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【推荐1】在平面直角坐标系中,
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A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
【推荐2】已知正方形
的边长为2,
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的中点,则
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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A.![]() | B.0 | C.![]() | D.2 |
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名校
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【推荐1】已知向量
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【推荐2】已知
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【推荐1】已知点
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【推荐2】在矩形
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