1 . 已知
,
,
.
(1)求
的值;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447c49a84c33ab016d4666a301608528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df1d886444a67202243459763ee10ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24ddf581f0b540d0d68e171cfab0c4f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c933a0fde595abd7cfa8258d52cdc63b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3286f62051c0c144863158a1a32fe2b7.png)
您最近一年使用:0次
2023-12-23更新
|
532次组卷
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3卷引用:新疆兵团第三师图木舒克市鸿德实验学校2023-2024学年高二上学期第一次月考数学试题
名校
2 . 如图所示,在正方体
中,化简向量表达式:
(1)
;
(2)
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/6ca3b85a-cada-415b-b046-c1e8a8c07a76.png?resizew=177)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60a6938dcfafd0c5a40e88417bc3c29.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07198cc0fb94a7ff3b108fa6b3bbd197.png)
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2023-10-03更新
|
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2卷引用:新疆维吾尔自治区喀什地区巴楚县2023-2024学年高二上学期9月月考数学试题
2022高二上·全国·专题练习
名校
3 . 已知在空间四边形
中,
是
的重心,
分别为边
和
的中点,化简下列各表达式,并标出化简结果的向量.
(1)
;
(2)
;
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdfeffceae1fc8e388731528f4485f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb1f1671280f65528bc14c0a85f9b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee173129368b99889b25911ee6a9d65b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b39e2ae1f35c893cf3ed27a75e1c94.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9711ee88e0aff7d1fcfa9d1477026.png)
您最近一年使用:0次
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4 . 如图,在正方体
中,化简下列向量表达式:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/4b37e92c-8561-405b-b202-0d208f339e0a.png?resizew=160)
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/4b37e92c-8561-405b-b202-0d208f339e0a.png?resizew=160)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c38f67517183907d21202dd036b0ab0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513ad24367759e8ce06ca0c5a69428c0.png)
您最近一年使用:0次
2021-11-19更新
|
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4卷引用:新疆兵团第三师图木舒克市鸿德实验学校2023-2024学年高二上学期期中考试数学试卷
新疆兵团第三师图木舒克市鸿德实验学校2023-2024学年高二上学期期中考试数学试卷河北省唐山市第十一中学2021-2022学年高二上学期期中数学试题(已下线)第06讲 空间向量及其运算 -【暑假自学课】2022年新高二数学暑假精品课(人教版2019选择性必修一)河南省周口市太康县第三高级中学2022-2023学年高二上学期12月月考文数试题