名校
解题方法
1 . 已知三棱锥
的体积为
是空间中一点,
,则三棱锥
的体积是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943032df8db30f2c52335b0fff28ce6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5923ce2c5d69a5d50e694dc83ae661e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec8fa1baf58d104867f595c15c001c1.png)
您最近一年使用:0次
2024-03-03更新
|
809次组卷
|
5卷引用:浙江省丽水市2023-2024学年高二上学期1月期末教学质量监控数学试题
浙江省丽水市2023-2024学年高二上学期1月期末教学质量监控数学试题广东省2024届高三数学新改革适应性训练五(九省联考题型)江苏省南通市海门中学2023-2024学年高二下学期3月阶段练习数学试卷(已下线)第七章 应用空间向量解立体几何问题拓展 专题一 空间向量基底法 微点4 空间向量基底法(四)【基础版】(已下线)专题7 立体几何综合问题【练】
2 . 如图所示,在平行六面体
中,
,
,
,点M是
的中点,点
是
上的点,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.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/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabe764f05300ac83c7d16b685d27af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e983af1dfd0891d331a18e80f829c91.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/2024/2/16/0d281199-39b0-4bed-a3eb-c1deb06b8e85.png?resizew=165)
您最近一年使用:0次
3 . 已知长方体
中,点Q为线段
的中点,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01d0265627ee0ed15b86b0146a4839a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c132cb65943eb8785a5fab73d7bb88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01d0265627ee0ed15b86b0146a4839a.png)
您最近一年使用:0次
4 . 在正三棱锥
中,
是
的中心,
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83a04565a8ebaa111894b724b0ba266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a1bf1781683d2bff001a1a5f6fdfd1.png)
您最近一年使用:0次
5 . 在平行六面体
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf78c3119d4acaa96969c64fdf675be.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4f009f1bfbad036a6e8f023172f07b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779d66259687dfc726c1a1d64a4ad006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf78c3119d4acaa96969c64fdf675be.png)
您最近一年使用:0次
名校
6 . 在四面体
中,
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6523615f59be6afb9c85a8fd13986189.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714cc3707bba3bfdb56e251999be8592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e557d5e425910df34cc000101b25863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6523615f59be6afb9c85a8fd13986189.png)
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2023-11-19更新
|
318次组卷
|
5卷引用:山西省吕梁市2023-2024学年高二上学期11月期中数学试题
山西省吕梁市2023-2024学年高二上学期11月期中数学试题广东省珠海市第二中学2023-2024学年高二上学期第二次阶段考试数学试题黑龙江省哈尔滨市六校2023-2024学年高二上学期1月期末联考数学试题(已下线)专题11 空间向量及其运算10种常见考法归类(3)(已下线)6.1 空间向量及其运算(5)
7 . 所有棱长都为2的平行六面体
中,若
为
与
的交点,
,则
的值为________ .
![](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/b1f3cea6eac9555f70307e65ab35b408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f94fcbc02a3197faa964994753ec0d5.png)
您最近一年使用:0次
8 . 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
|
449次组卷
|
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
9 . 空间四边形ABCD中,AC与BD是四边形的两条对角线,M,N分别为线段AB,CD上的两点,且满足
,
,若点G在线段MN上,且满足
,若向量
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a309d00eb066720704dc47b56c664de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f783c98d17cc648dd4f874dfde6d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c4127bf61fe86f6e24c40e962b575b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/538c1a9e933bc1e29d785eeda9cd1abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a196a46c95682ff64de8978d4775ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
您最近一年使用:0次
10 . 平行六面体
中,以顶点
为端点的三条棱长都为1,且两两夹角为
,求
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388e976ab53ad76d39c74b59a09b1663.png)
您最近一年使用:0次
2023-04-07更新
|
345次组卷
|
7卷引用:江苏省盐城市响水中学2022-2023学年高二下学期学情分析考试(一)数学试题
江苏省盐城市响水中学2022-2023学年高二下学期学情分析考试(一)数学试题(已下线)第07讲 空间向量的数量积运算9种常见考法归类(1)(已下线)1.1.2空间向量基本定理(分层练习)-2023-2024学年高二数学同步精品课堂(人教B版2019选择性必修第一册)(已下线)专题 01 空间基底及综合应用(2)(已下线)专题 01 空间基底及综合应用(1)(已下线)专题02 空间向量的数量积运算6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)江苏省宿迁地区2023-2024学年高二下学期期中调研测试数学试题