名校
1 . 已知向量
,
,
,若
三个向量共面,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b014d00c7730189d08d0af9ac76f465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c62db793887f54878fd020cd5d09811d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9acbd3d31d44fd6b76987baa09d9105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
您最近一年使用:0次
2024-06-05更新
|
137次组卷
|
2卷引用:广东省湛江市第一中学2023-2024学年高二下学期开学考试数学试题
名校
2 . 已知向量
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838d43517449a1cb0ac97d8859d5452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ebc31cbdf681ac9c2bd32d832b31337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
A.![]() | B.![]() | C.4 | D.2 |
您最近一年使用:0次
2024-04-10更新
|
366次组卷
|
2卷引用:四川省成都市蓉城名校联盟2023-2024学年高二下学期开学考试数学试题
名校
3 . 已知空间三点
,则
在
上的投影向量坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a87b4fe2729a934405c675865998913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
您最近一年使用:0次
2024-04-10更新
|
280次组卷
|
3卷引用:湖南省张家界市民族中学2023-2024学年高二下学期入学考试数学试题
湖南省张家界市民族中学2023-2024学年高二下学期入学考试数学试题福建省莆田第二中学、仙游第一中学2023-2024学年高二下学期期中联考数学试题(已下线)专题01 空间向量表示及运算--高二期末考点大串讲(苏教版2019选择性必修第二册)
解题方法
4 . 已知直四棱柱
的底面为梯形,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f693ef548c754390e1ae722de76cbb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,若
平面
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f693ef548c754390e1ae722de76cbb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a704cdc66c39bfacf66e861dffefe8b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b449ce3e78881defc7a72104a7b38c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dbcc81f7bc35bf09e4d1c0490d512b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6243490cdfc0747c0cba492bd78a0758.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-07更新
|
278次组卷
|
2卷引用:河南省濮阳市2024届高三下学期第一次模拟考试数学试题
5 . 如图,四棱柱
的底面
是正方形,
,
且
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/f0b6c12c-5004-4501-9ac6-8d8e0d541b09.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce64c7cf095a20894e9ddd0d95992a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63bc887cc71a3a91c1b2070d953b82b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/f0b6c12c-5004-4501-9ac6-8d8e0d541b09.png?resizew=169)
A.4 | B.0 | C.![]() | D.![]() |
您最近一年使用:0次
6 . 在四棱锥
中,底面
是正方形,
是
的中点,若
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/6e8db64f-84d5-4b67-b9d0-289fbc99aa58.png?resizew=136)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf3c4cfc07fe4cd8b54cb2246fd7879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9769839f35c2b7002b9f5e62f40b34de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/6e8db64f-84d5-4b67-b9d0-289fbc99aa58.png?resizew=136)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-24更新
|
383次组卷
|
2卷引用:安徽省淮北市第一中学2023-2024学年高二下学期开学考试数学试题
7 . 已知
是三个不共面的向量,则下列向量组中,可以构成基底的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 在正棱柱
中,
,点
满足
,其中
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af0e44cb429eea46e7ee4320147192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b545127bd51036a5a7b0d3cd5b320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee72261f6901e62dfd0ffe547406544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e2e01346f60857ff635bb766802e57.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
9 . 如图,设
为
所在平面外任意一点,
为
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc840e197de2dabff676ee1b8968fada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8c9a4f4f4a64ba852a1346c10113ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/5c8fb242-2ca6-45f2-af26-ac1937778622.png?resizew=142)
您最近一年使用:0次
解题方法
10 . 如图,该几何体是由正方形
沿直线
旋转
得到的,已知点
是圆弧
的中点,点
是圆弧
上的动点(含端点),则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12d93bd1130088b622602a6c21c9c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6919ae684f6781571987add69401dbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632049839e056dec120f87fe86fde89e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/14/f2257834-0640-4408-9615-8e52a8f4446b.png?resizew=161)
A.不存在点![]() ![]() ![]() |
B.存在点![]() ![]() ![]() |
C.存在点![]() ![]() ![]() ![]() |
D.不存在点![]() ![]() ![]() ![]() |
您最近一年使用:0次