如图,在正六边形中,
+
+
=( )
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C.![]() | D. ![]() |
2024高三·全国·专题练习 查看更多[1]
(已下线)专题24 平面向量的线性运算与坐标运算
更新时间:2024-03-20 22:29:19
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【知识点】 向量加法法则的几何应用解读
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容易
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真题
解题方法
【推荐1】已知平行四边形
,点
,
分别是
,
的中点(如图所示),设
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac265febbf99dccf51aa0a2253e61f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44a918c7cfd942d3a53e584c26685a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b5a51e65e9b56a9970de33ead263a9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/21/191f662b-c731-41cb-91db-b55a63485430.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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容易
(0.94)
名校
解题方法
【推荐2】已知
为
所在平面内一点,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39d50ecb40b6a9395718ed44e90f2ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6abb7f79e3864081e296e7ee6db3d1e2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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