在正六边形
中,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9b645b2e86b7fd2f9fc9f91d9ce132.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-04-16 20:50:09
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相似题推荐
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较易
(0.85)
名校
【推荐2】下列说法不正确的是( )
A.若向量![]() ![]() ![]() |
B.![]() |
C.在平行四边形![]() ![]() |
D.若两个非零向量![]() ![]() ![]() ![]() |
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解题方法
【推荐1】在
中,点
为
中点,点
在
上且
.记
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73c8c1d2ba6b29b301380a45dfbcdd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7753d15caaa20b787e9d8923eba7bbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d0ccec6c59f86aa8c3b57fabf30059.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
(0.85)
名校
【推荐2】已知
中,
为
的中点,
为
的中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c29e95e564b7bc4e7c13293c1f08c73.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次