1 . 如图所示,在平行六面体
中,
为
与
的交点,若一组基底为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1b000652db5cf562b3e0711f6a6b7a.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1b000652db5cf562b3e0711f6a6b7a.png)
![](https://img.xkw.com/dksih/QBM/2023/12/21/3394101824905216/3394907847999488/STEM/44fcb7c7f2a2446289d4d3ba4cac17b6.png?resizew=194)
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2 . 如图,在四面体
中,
是
的中点,
是
的中点,若
,则乘积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b11714ea4eb3fd2349854ff2c96b4f9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933cf4d91008779cec543cc771fd9593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b11714ea4eb3fd2349854ff2c96b4f9.png)
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3 . 在三棱柱
中,点
在线段
上,且
,若以
为基底表示
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce0da153621bbd05519f168b527e3e.png)
______ .
![](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/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6285803e186abb615e9add52034bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b104831ce8f0486de0faf40d5b24d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6d728b430549f00bb9c0a7bf8bf7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce0da153621bbd05519f168b527e3e.png)
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2023-06-29更新
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449次组卷
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3卷引用:江苏省淮安市2022-2023学年高二下学期期末数学试题
4 . 如图,三棱柱
中,
、
分别是
、
的中点,设
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60473aae81429df1e8183425797a88c.png)
______ .
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc03a3ba496faee748a8d63e5d4fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8780f5b68f8907a57c1c2f96233a78c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60473aae81429df1e8183425797a88c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/25/7df710db-78bd-4c1e-b919-d6e343f96c1b.png?resizew=138)
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5 . 已知空间向量,
,则向量
在向量
上的投影向量的坐标是
您最近一年使用:0次
2023-03-09更新
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875次组卷
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7卷引用:安徽省黄山市2022-2023学年高二上学期期末数学试题
安徽省黄山市2022-2023学年高二上学期期末数学试题四川省凉山州宁南中学2023-2024学年高二上学期期末模拟数学试题(一)(已下线)特训01 期末选填题汇编(第1-4章,精选60道)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)(已下线)模块二 专题5 平面投影向量与空间投影向量江苏省徐州高级中学2022-2023学年高二下学期3月学情调研数学试题(已下线)第13讲 第一章 空间向量与立体几何 章节验收测评卷(提高卷)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)海南省文昌市文昌中学、华迈实验中学2023-2024学年高二上学期期中段考数学试题
6 . 如图所示,在空间四边形
中,
,点
在
上,且
为
中点,若
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352afb2166bc2d282d55bd7bba4388e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd62f74def1f5321be43234e2ebd6263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13447f65fda380f81d32ac3d7835a887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/15/b2fe39eb-853b-4ee4-a59b-0b8652a9ee45.png?resizew=149)
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2023-02-13更新
|
413次组卷
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3卷引用:山东省济宁市2022-2023学年高二上学期期末数学试题
山东省济宁市2022-2023学年高二上学期期末数学试题福建省福州市福清港头中学2022-2023学年高二下学期期末质量检查数学试题(已下线)第01讲:空间向量(必刷9大考题+9大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019选择性必修第一册)
名校
7 . 如图,两个正方形
,
的边长都是3,且二面角
为
,
为对角线
靠近点
的三等分点,
为对角线
的中点,则线段![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b3247afa684b10c8e1da99cf33d5b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1d76403bac26df50d934d93586f8a11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b3247afa684b10c8e1da99cf33d5b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/298bda61-034d-4fb6-86b8-0bdbcc816242.png?resizew=224)
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2023-02-10更新
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995次组卷
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7卷引用:广东省梅州市2022-2023学年高二上学期期末数学试题
广东省梅州市2022-2023学年高二上学期期末数学试题(已下线)第01讲:空间向量(必刷9大考题+9大题型)-2023-2024学年高二数学上学期《考点·题型·难点》期末高效复习(人教A版2019选择性必修第一册)重庆市万州第二高级中学2022-2023学年高二下学期3月第一次月考数学试题(已下线)第08讲 空间向量基本定理7种常见考法归类-【暑假自学课】2023年新高二数学暑假精品课(人教A版2019选择性必修第一册)(已下线)1.2 空间向量基本定理 精练(5大题型)-【题型分类归纳】2023-2024学年高二数学同步讲与练(人教A版2019选择性必修第一册)广东省梅州市梅雁中学2023-2024学年高二上学期9月月考数学试题(已下线)专题03 空间向量基本定理4种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
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8 . 已知矩形ABCD,P为平面ABCD外一点,且
面ABCD,M,N分别是PC,PD上的点,且
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8f2b0c52b2b95b06aa6ec2127950bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e8f7b44633a4a70388d264ad509322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d16135836d355cb8d3d3c89fd6ae4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
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2023-01-19更新
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453次组卷
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5卷引用:吉林省吉林市第一中学2022-2023学年高二上学期期末数学试题
吉林省吉林市第一中学2022-2023学年高二上学期期末数学试题(已下线)第6章:空间向量与立体几何 章末检测试卷-【题型分类归纳】2022-2023学年高二数学同步讲与练(苏教版2019选择性必修第二册)(已下线)第3章 空间向量及其应用(基础、常考、易错、压轴)分类专项训练(原卷版)上海市七宝中学2021-2022学年高二下学期开学考数学试题(已下线)1.2 空间向量基本定理(导学案)-【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)
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9 . 如图,在平行六面体
中,
,
,
,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991451c5002137302527700e195220e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21e927873534447fdd56116cd4fbd5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78bb7089ff0848a15349912858099a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/e4b36312-47ba-4941-bf6a-2e0775d6d4f6.png?resizew=174)
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2022-10-28更新
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667次组卷
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5卷引用:上海市格致中学2022-2023学年高二下学期期末数学试题
10 . 已知空间向量
,
,
,若
,
,
共面,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32f46203c7cce6f9c69c7f172ff2ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795ce6a38d3862c19d978243e011ea27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19345fcc0072316a89fde4a25103669d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2022-01-28更新
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3卷引用:河北省辛集市2022-2023学年高二上学期期末数学试题