1 . 四面体
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3933d71772d89a59d11931814b643c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8926ddd0b69d714c7310cc5bf23d199d.png)
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您最近一年使用:0次
2024-04-27更新
|
221次组卷
|
3卷引用:江苏省南京市五所高中学校合作联盟2023-2024学年高二下学期期中学情调研数学试卷
解题方法
2 . 平行六面体
中,
为
的中点,设
,
,
,用
表示
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b9d8a08fc52c31cc1a7f527d18b55c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184359fe3cadc363cf4ebe586c2b3db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2410e0e103cc41264a2d0f5c0e3f3ed4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33a112e9728d7b560199765c815f69.png)
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您最近一年使用:0次
名校
3 . 已知四棱锥
的底面是平行四边形,
为棱
上的点,且
,用
表示向量
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267104d48d4d9f78093ef7a208b7069c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666f11b047872874435b1337b6af1f93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0735144f6e24b6b32028ff14c17c1cec.png)
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您最近一年使用:0次
23-24高二下·江苏·课前预习
4 . 如图所示,在平行六面体中,设
,
分别是
的中点,试用
表示以下各向量:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7239b3f2d88c2e45e17e5de9ae1a332.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cc37b6cfb037ac5e114daeb3a3b68f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76782c6299c144c919de3213c60a7e5f.png)
您最近一年使用:0次
名校
5 . 如图,
为四面体
的棱
的中点,
为
的中点,点
在线段
上,且
,设
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80fbb30315315efc7110ba97c30eb5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a40f8ef7e3af00c41f85a20578afdb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dfe0e90a236b0633452290473979ebc.png)
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2024-02-23更新
|
462次组卷
|
2卷引用:湖北省新高考联考协作体2023-2024学年高二下学期2月收心考试数学试题
6 . 如图,在三棱柱
中,D,E分别是线段
,
的中点,设
,
,
.用
,
,
表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658ff9921ff96972b0fc95360bb0c65b.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0879a90fdf1c8be67eccfff8fe2c4cdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9206f052cc7298fdf9049f9386f53928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df107a0db8e7084e46cbf0edc9dd4878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658ff9921ff96972b0fc95360bb0c65b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/7/6d5f40ae-63d4-44bf-8303-0e9a5045899f.png?resizew=151)
您最近一年使用:0次
7 . 如图,在四棱锥
中,点
是
的中点,设
,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/2b383906-4ca6-4fac-b190-6f1bd5a0517a.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ab6779b56dc83768f8338ad9a264f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e437d1fb1191617663cabe78b21d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c08dc1aa540bd965170315258a85c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2e331e5e22fdb7a057526934384c41.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/4/2b383906-4ca6-4fac-b190-6f1bd5a0517a.png?resizew=175)
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8 . 已知
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d99ffb7b56b2e8a2b0bbcf9e72ad81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38aa6ab9857598d478c26332c29036c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68abd3d322bb5b44e4e8f1b24dd18e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c5ed84aadff148fc6603d70b484a96d.png)
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9 . 正方体
中的有向线段,不能作为空间中的基底的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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