1 . 如图,在平行六面体
中,
为
的中点,则用向量
可表示向量
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/b2e4f0f7-7c6c-46a6-94a6-3b5a37dd735a.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a583b9fa0473e204e5e233ae2a5bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c597ff77c65c5add6f50294e3eee9536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a664436fc8128a14f95ddc09c504489.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/b2e4f0f7-7c6c-46a6-94a6-3b5a37dd735a.png?resizew=126)
A.![]() | B.![]() |
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2 . 在三棱锥
中,
为
的中点,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/1e99e52d-3af5-4dcd-a98d-0481254bc045.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d859221abb763742e332779e9eab59.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/11/1e99e52d-3af5-4dcd-a98d-0481254bc045.png?resizew=155)
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:湖南省部分学校2023-2024学年高二上学期期末联合考试数学试题
3 . 我国古代数学名著《九章算术》中将有三条棱互相平行且只有一个面为平行四边形的五面体称为刍甍.如图,今有一刍甍,四边形
为平行四边形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
平面
,且
,点
在棱
上,且
.设
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/6139f5e2-560a-465c-9a41-6a46932da06f.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6034301fc4110da89bdb0f46ad82ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ddfb54b33fa3983766ac2271f8c00bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40daecf4155f894e758c38712fbb47bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce0da153621bbd05519f168b527e3e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/12/6139f5e2-560a-465c-9a41-6a46932da06f.png?resizew=169)
A.![]() | B.![]() |
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4 . 如图,空间四边形OABC中,
,点M在线段OA上,且
,点N为BC中点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc5343d0ed7b449971c7ba787a621fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe72d1b634f1e89d8699e605e7d46af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8926ddd0b69d714c7310cc5bf23d199d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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|
3卷引用:湖南省永州市第一中学2023-2024学年高二下学期开学检测数学试题
解题方法
5 . 已知正方体
的棱长为1,
与平面
的交点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed900e7d3c613c032c580ab75b5cd41.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed900e7d3c613c032c580ab75b5cd41.png)
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6 . 已知三棱锥O-ABC中,点M、N分别为AB、OC的中点,且
,
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/6c23f562-32c3-43d1-9aec-aada59774463.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14390e9b6b44472bdc7a131133ab39b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cd14dfc0024459f9d8e594c95c5106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07dcf0b16163e0e0e0c0f248466ee7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8926ddd0b69d714c7310cc5bf23d199d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/1/6c23f562-32c3-43d1-9aec-aada59774463.png?resizew=162)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
7 . 正四面体
棱长为6,
,且
,以
为球心且半径为1的球面上有两点
,
,
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82f462070bf390881ceee2519ac07604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd24c686fbaaa68705d654b880481ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49a1538831e007a0e47ec5e1069bff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5128656ad9b18360970d3f50cace2a7.png)
A.24 | B.25 | C.48 | D.50 |
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|
1323次组卷
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9卷引用:湖南省岳阳市第一中学2023-2024学年高三下学期开学考试数学试题
8 . 已知四棱柱
的底面是平行四边形,点E在线段DC上,满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71692d167f92589f2bd14a092f94c7ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b8c82d29f560f68a86454790a0402d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
A.-![]() | B.![]() | C.![]() | D.![]() |
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|
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4卷引用:湖南省郴州市2022-2023学年高二上学期期末教学质量监测数学试题
湖南省郴州市2022-2023学年高二上学期期末教学质量监测数学试题江苏省连云港市赣榆智贤中学2022-2023学年高二下学期3月学情检测数学试题(已下线)第一章 空间向量与立体几何(单元基础卷)-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)专题12 空间向量的坐标表示8种常见考法归类-【寒假自学课】2024年高二数学寒假提升学与练(苏教版2019)
名校
9 . 在三棱柱
中,
为
中点,若
,
,
,则下列向量中与
相等的是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf847c1830981614c22b4b0c6822f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869b571c750f43eb93106d7b217707dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a046d7060dc843c78af806ee24f556.png)
![](https://img.xkw.com/dksih/QBM/2024/1/12/3409481631432704/3409523759898624/STEM/57fad3b5961e453fb9e95a1e53881a09.png?resizew=4)
A.![]() | B.![]() |
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名校
10 . 如图,空间四边形OABC中,
,
,
,点M在OA上,
,点N为BC中点,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/21ff7172-848f-4a13-b27d-3a3cc2d83aa8.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14390e9b6b44472bdc7a131133ab39b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cd14dfc0024459f9d8e594c95c5106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07dcf0b16163e0e0e0c0f248466ee7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe72d1b634f1e89d8699e605e7d46af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/11/21ff7172-848f-4a13-b27d-3a3cc2d83aa8.png?resizew=175)
A.![]() | B.![]() |
C.![]() | D.![]() |
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