名校
解题方法
1 . 在
中,
分别是
,
上的点,
与
交于点
,且
,
,
,
,设
在
上的投影向量为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b3fb2da3909e643ef238b8d0ac559e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50a889c136e7c8877052bb1ffbe5ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf341141cd49df804b3b19111ddd2d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2521f9c8b8e538597aa38a2c1e7c07f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b19819443514c14e3133a657941198.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e773bfc45764fd279a64990c98ccd61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305d5f36a9fdbc840161b36563923195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09db5c6dea4b47fc1f2e991e3925b3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-07-22更新
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358次组卷
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3卷引用:新疆克孜勒苏柯尔克孜自治州第一中学2023届高三上学期期中理科数学试题