解题方法
1 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891322ef3ed2ba69fcc077739f1259b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab22273fedcacb6dfb71da25429e4ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/718d2d8ff1dbc1fb3f473a00c9e958c9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c732e2293ea4e6376cee96914e7efe.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c732e2293ea4e6376cee96914e7efe.png)
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3 . 设全集
,集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805963187065dd61bca4ffcfd7e52386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bef20fc87980ef78c7f8eebd15f308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a78ec806b0ced0281c73c14c2c62539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f15f86999fc29c788c23ad1fbfbfb3ab.png)
A.4 | B.![]() | C.![]() | D.![]() |
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2023-07-27更新
|
376次组卷
|
2卷引用:广东省韶关市2022-2023学年高二下学期期末数学试题
名校
4 .
展开式中第三项系数为________ (用具体数字作答).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dba672cb048a271b0ea1e5ec88a0ad6.png)
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2023-07-27更新
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476次组卷
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4卷引用:广东省韶关市2022-2023学年高二下学期期末数学试题
5 . 在复平面内,复数
与
分别对应向量
和
,其中
为坐标原点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbbadce099cdc17f12c3ded39216e35a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6615fd94cb284f6a3057a7ffdf5add10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75578eb4a8555e6cfb6d743a509a612f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e723e57753f0a4fe1ef8ca1aee0e2117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f04b11a1c5aae4242914b1f2f4af9da.png)
A.1 | B.5 | C.![]() | D.![]() |
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6 . 已知
,
是空间中两个不同的平面,m,n是空间中两条不同的直线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.若![]() ![]() ![]() | B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() | D.若![]() ![]() ![]() |
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2023-07-27更新
|
568次组卷
|
3卷引用:广东省韶关市2022-2023学年高二下学期期末数学试题
广东省韶关市2022-2023学年高二下学期期末数学试题重庆市2023-2024学年高二上学期入学考试模拟数学试题(已下线)专题04用空间向量研究直线、平面的位置关系(4个知识点6种题型2个易错点)(1)
7 . 三棱锥
中,
平面
,
,
,
,则三棱锥
外接球的体积是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab2c27eac56fffa4cd7dbe1dcdf1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f656e1d1f68954e5f06de8958f6a9310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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8 . .在
中,点
为边
的中点,点
为
的中点,若
,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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28a184284581f47584cfd1fabf6c89f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
A.![]() | B.![]() | C.1 | D.![]() |
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解题方法
9 . 已知函数
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cce9fe1ace828297b9dcdd2ec37df00.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() ![]() |
D.函数![]() ![]() |
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解题方法
10 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1753312d0c0e01ca4e831258c4527f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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