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1 . 已知平行六面体
,底面是正方形,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b07c505bf857c6ea645256a11b4d3.png)
,
,
,设
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849585020944384/2849734960406528/STEM/d9e7bf59-7d05-4969-acc2-b3b3bc1da237.png?resizew=330)
(1)用
、
、
表示
,
;
(2)求
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8745717601cd14b46c2298919b41b502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1a56baf43ffdf67bc8460856e31fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6b07c505bf857c6ea645256a11b4d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3792934bc34e12afbdc28fbc343340ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45d4610c312a78371e0482069960569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac265febbf99dccf51aa0a2253e61f1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44a918c7cfd942d3a53e584c26685a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f4aa55c2b5bd71b449222baf6effad.png)
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849585020944384/2849734960406528/STEM/d9e7bf59-7d05-4969-acc2-b3b3bc1da237.png?resizew=330)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0b839f1105b095a1b2b9d09e53b31b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888afd002858f23a84a8755a002bed7a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
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广东省广州市十六中2021-2022学年高二上学期期中数学试题(已下线)突破1.2 空间向量基本定理(重难点突破)福建省厦门市杏南中学2023-2024学年高二上学期第一阶段测试数学试题重庆市荣昌中学校2022-2023学年高二上学期第一次月考数学试题
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2 . 向量
是空间的一个单位正交基底,向量
在基底
下的坐标为
,则
在基底
的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b63c2017f69d2772e517dafd206a64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d806f27eecf5aee1e75bf35acbcd4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26009c366c9aa4b2114a2ac6b6f4f43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9d806f27eecf5aee1e75bf35acbcd4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69f62f6b10512a756bcafbd89a98b86.png)
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3 . 若
构成空间的一个基底,则下列向量不共面的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8d2051594370095e72e173fd95888a.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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3卷引用:重庆市第八中学2021-2022学年高二上学期半期数学试题
解题方法
4 . 已知正方体
的棱长为
,给出下列四个命题:
①
;
②
;
③点
到面
的距离为
;
④点
在正方体
的侧面
及其边界上运动,并保持
,则
的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a911cc20a5b264f9b15ca3b3394a7ae5.png)
其中正确结论的序号是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29869de914a85f66b2490c53cde17908.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022df9592255bb2b846c7ffdbe3902b5.png)
③点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935fe3125f247b7bea4f065ce9ad985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
④点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbcdb9f641a2b3e06e0a01c79420667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a911cc20a5b264f9b15ca3b3394a7ae5.png)
其中正确结论的序号是
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5 . 已知{
}是空间的一个基底,且
=
,
=
,
=
,试判断{
}能否作为空间的一个基底?若能,试以此基底表示向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0762365cf0afd8d6966d7d3407e2ade0.png)
;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae0bbc15c3f7f2edbb78ecfde40825d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed9e2c8c99360e21d4c8cf578cba1e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba58d0939649c714b003758bd1cb7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43fd2605b01b5a99ef1caeaa723b600b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12043fbdfadbf715bbc7969cdf71a907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0762365cf0afd8d6966d7d3407e2ade0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db46e5432459b458c7470407ce6ff71a.png)
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6 . 如图所示,在平行六面体
中,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/90cc4f70-662b-4f20-b565-b883227f6dcf.png?resizew=169)
(1)化简:
;
(2)设
是棱
上的点,且
,若
,试求实数
,
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/9/90cc4f70-662b-4f20-b565-b883227f6dcf.png?resizew=169)
(1)化简:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a596f0f535b95912a8387f29700920.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1111b4918c2cf04a25e8296221dd72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5dedc835fb1d0fca5835f9233795b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
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10卷引用:专题1.1 空间向量与空间向量基本定理(B卷提升篇)-2020-2021学年高二数学选择性必修第一册同步单元AB卷(新教材人教A版,浙江专用)
(已下线)专题1.1 空间向量与空间向量基本定理(B卷提升篇)-2020-2021学年高二数学选择性必修第一册同步单元AB卷(新教材人教A版,浙江专用)(已下线)1.2 (分层练)空间向量基本定理-2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)湖南省长沙市周南中学2021-2022学年高二上学期第一次月考数学试题(已下线)第一章 空间向量与立体几何 单元检测(B卷)- 2021-2022学年高二数学考点同步解读与训练(人教A版2019选择性必修第一册)人教A版(2019) 选修第一册 实战演练 第一章 课时练习 01 空间向量及其线性运算人教B版(2019) 选择性必修第一册 过关斩将 第一章 空间向量与立体几何 1.1 空间向量及其运算 1.1.1 空间向量及其运算福建泉州一中2020-2021学年高二上学期第一次月考数学试题上海市青浦高级中学2022-2023学年高二上学期12月质量检测数学试题(已下线)1.2 空间向量基本定理(分层作业)(3种题型分类基础练+能力提升综合练)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)(已下线)专题01空间向量及其运算(4个知识点8种题型3个易错点)(3)
7 . 已知空间任意一点
和不共线的三点
,
,
,若
,则“
”是“
,
,
,
四点共面”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115adda386511dd01bd8457a6ec348a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194a2d6ba5f22032dd601216ca7e9f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.必要不充分条件 | B.充分不必要条件 |
C.充要条件 | D.既不充分也不必要条件 |
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8 . 如图,M,N是分别是四面体
的棱
,
的中点,设
,
,
,若
,则
( )
![](https://img.xkw.com/dksih/QBM/2021/10/18/2831871944933376/2836352946626560/STEM/fc809e90-1d65-4db8-9feb-97ae1ee237f5.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a9cb32a25c2a8bb99f75633b4cd5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049131856ba841523793ee3d83099014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eca8aa7145b2327dbccba46da05bb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00f5e867e7173b654e3faeb58a43aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37a11a05476d3d3cfd64504dd696b3d6.png)
![](https://img.xkw.com/dksih/QBM/2021/10/18/2831871944933376/2836352946626560/STEM/fc809e90-1d65-4db8-9feb-97ae1ee237f5.png?resizew=217)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:江西省九江市第一中学2021-2022高二上学期第一次月考数学(理)试题
江西省九江市第一中学2021-2022高二上学期第一次月考数学(理)试题广东省广州市番禺区实验中学2021-2022学年高二上学期期中数学试题福建省厦门市湖滨中学2021-2022学年高二上学期期中考试数学试题(已下线)专题1.5 空间向量基本定理-重难点题型精讲-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)
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9 . 如图,在四棱锥
中,底面ABCD是边长为1的正方形,侧棱PA的长为2,且PA与AB、AD的夹角都等于60°,M是PC的中点,设
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/8c8e1d12-57a3-48cb-b028-78df98232236.png?resizew=153)
(1)求证
;
(2)求BM的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b54aa2b7f9adf409f0ce8e00615432.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e28eb023fe260d9b50fcc441e1df95e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/8c8e1d12-57a3-48cb-b028-78df98232236.png?resizew=153)
(1)求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a08422947cfb7d16535225bdc2935.png)
(2)求BM的长.
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10 . 如图,平面
平面
,四边形
是正方形,四边形
是矩形,若G是
的中点,
,
,则三棱锥
的外接球的表面积是( )
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825589920301056/2832545602158592/STEM/9b697fe1bfbb4121931410f7cc0eb087.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0cee0f36dc452e58086832c0152b641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac234131e1a2e7c84928f479806b2a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b00fbed52cd0be0e1e1034a5b86bfc.png)
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825589920301056/2832545602158592/STEM/9b697fe1bfbb4121931410f7cc0eb087.png?resizew=141)
A.6π | B.10π | C.8π | D.12π |
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7卷引用:吉林省四平市第一高级中学2021-2022学年高二上学期10月月考数学试题
吉林省四平市第一高级中学2021-2022学年高二上学期10月月考数学试题山西省大同市新世纪中学2021-2022学年高二上学期第一次月考数学试题(已下线)期中考试模拟卷01-【一堂好课】2021-2022学年高二数学上学期同步精品课堂(人教A版2019选择性必修第一册)福建省福州黎明中学2021-2022学年高二上学期期中考数学试题(已下线)专题9.2—立体几何—表面积与体积2—2022届高三数学一轮复习精讲精练(已下线)2020年高考全国2数学理高考真题变式题6-10题河南省叶县高级中学2022-2023学年高二上学期9月月考数学试题