1 . 如图,在四棱锥
中,底面
是平行四边形,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b54509386a3872c629f0ed9e92d1bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881491c15de67028d540787b2a252063.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/a779dce3-9950-41f2-a5c7-6b92e25a7be4.png?resizew=178)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-03更新
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2卷引用:辽宁省朝阳市建平县2023-2024学年高二上学期1月期末数学试题
2 . 在平行六面体
中,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4085c28b8d775e4a132d552eeb17f437.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() ![]() ![]() |
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3 . 如图,在三棱柱
中,M为
的中点,设
,
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/f4da81bc-ed3a-4026-93fd-db130c0db4d8.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79f2cfa5e197f859d8cac3d2287ece9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e72403ac1926f555073d01fa22ab33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf9d421e75be0122791cd2cd4b1cfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347a2f174217898b8148515dc29ab948.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/f4da81bc-ed3a-4026-93fd-db130c0db4d8.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-04更新
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5卷引用:辽宁省辽阳市2023-2024学年高二上学期1月期末考试数学试卷
辽宁省辽阳市2023-2024学年高二上学期1月期末考试数学试卷福建省福州市长乐第一中学2023-2024学年高二上学期1月月考数学试题内蒙古2023-2024学年高二上学期期末教学质量检测数学试题(已下线)专题11 空间向量及其运算10种常见考法归类(1)(已下线)第6章 空间向量与立体几何 章末题型归纳总结-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)
名校
4 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc898591206900808334db44311ec95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf32bf961e6c83464b298b1ba8dc705b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6123f13e3efcf5a6bd142d9fbbe5f84d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-12-31更新
|
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5卷引用:辽宁省朝阳市建平县实验中学2023-2024学年高二上学期期末考试数学试题
5 . 如图,在四面体
中,
两两垂直,
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/f60a00ce-2641-4e8c-bd38-0aaa0af62f0f.png?resizew=143)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576d6670e3441abae8870240e84b42c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1aecd69a487a3698298e25b18ab023.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/f60a00ce-2641-4e8c-bd38-0aaa0af62f0f.png?resizew=143)
A.向量![]() ![]() ![]() |
B.向量![]() ![]() ![]() |
C.向量![]() |
D.向量![]() |
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2023-12-15更新
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4卷引用:辽宁省部分学校2024届高三上学期12月月考数学试题
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6 . 如图,在四面体
中,点
为底面三角形
的重心,
为
的中点,设
,
,则
在基底
下的有序实数组为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/dd248a96-00c2-4785-99e4-7950d2f9be56.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ba495e8f9fe02229a4248fdbfb4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232311b4261c36b659555a07bfa00f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471ac0f42d01c6d6e094b63628586e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ed66bde4aaae35dc7a1ccc292a6ba9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/dd248a96-00c2-4785-99e4-7950d2f9be56.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-14更新
|
261次组卷
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2卷引用:辽宁省部分学校2023-2024学年高二上学期12月联合考试数学试题
解题方法
7 . 在棱长为2的正方体
中,点P满足
,点Q满足
,其中
,
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843d70b34029da4626efa50702c8eca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3f377e0e3038bbb1ff1c4e134212a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
A.P,Q的轨迹长度相等 | B.![]() ![]() |
C.存在P,Q,使得![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
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8 . 下列关于空间向量的命题中,正确的有( )
A.若向量![]() ![]() ![]() |
B.若非零向量![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若向量![]() ![]() ![]() ![]() |
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2023-12-02更新
|
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3卷引用:辽宁省县级重点高中协作体2023-2024学年高二上学期期中考试数学试题
9 . 如图,在三棱柱
中,
分别为
和
的中点,设
.
(1)用
表示向量
;
(2)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb5f474b6067ce50ca48790c45fd587.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/e1aec47f-0dba-4964-a4ee-64f4bd3ec162.png?resizew=162)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8c53645db602c72b00b599c2c0ff97.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9523d53df3a91e8bc9abaee19a1fb753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981978eee3927889e8527272c98468b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9eac7e04c7e650dfbf10ea05ea6045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5a8d419738d657c20fa8d1ba91c053.png)
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2023-11-15更新
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5卷引用:辽宁省抚顺市六校2023-2024学年高二上学期期中考试数学试题
辽宁省抚顺市六校2023-2024学年高二上学期期中考试数学试题贵州省2023-2024学年高二上学期11月期中联考数学试题陕西省汉中市多校联考2023-2024学年高二上学期12月月考数学试题(已下线)专题01 空间向量及其应用常考题型归纳(1)(已下线)6.1 空间向量及其运算(5)
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10 . 在正四面体
中,其外接球的球心为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56f0466c67eb5811da543f2959b403f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-19更新
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4卷引用:辽宁省沈阳市辽宁省实验中学2023-2024学年高二上学期12月月考数学试题