1 . 如图,在四面体OABC中,点M、N分别为线段OA、BC的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9dda0dd9f20ab49de6bd5cf6297f9f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/0a5d5602-92e2-4197-87da-9077138aa106.png?resizew=135)
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2 . 如图,
为矩形
所在平面外一点,且
平面
,
、
分别为
、
上的点,且
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee477d164d38ff067fc4ce342cf6d380.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3c519fd163df72a7937e4e1952e675.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/ee477d164d38ff067fc4ce342cf6d380.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/92a72c8d-b7b6-4bfa-9fa8-f7231be824fd.png?resizew=177)
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3 . 在棱长为
的正四面体
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9947bc4995a0e5489e7531209939775a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c321ca62e0f54191315e0dbc6832478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9947bc4995a0e5489e7531209939775a.png)
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4 . 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)
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5 . 已知向量
,
,
不共线,点
在平面
内,若存在实数
,
,
,使得
,那么
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68628a408537b1cf3bf1ca2a69731b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d20ec3efaa6b6ff5769e8999df5714a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b38c0e7ed3639ab8b38128f1ba161e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4751f9338fdca9343328f92e3e20132.png)
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6 . 如图,空间四边形
中,
分别是对边
的中点,点
在线段
上,分
所成的定比为2,
,则
的值分别为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881ec4ef24907683dd46062e5ff149c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7c19ffd67b5edd77b02d893f3c4156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840410780b8ecf0a780d1130e7bf2760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a14c388e1e2e5a2ff1ccf6caffbee0d.png)
您最近一年使用:0次
2017-11-20更新
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944次组卷
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4卷引用:陕西省西安市长安区第一中学2017-2018学年高二上学期第一次月考数学(重点、平行班)试题
陕西省西安市长安区第一中学2017-2018学年高二上学期第一次月考数学(重点、平行班)试题上海市七宝中学2016-2017学年高二下学期期中数学试题(已下线)1.2+空间向量基本定理(基础练)-2020-2021学年高二数学十分钟同步课堂专练(人教A版选择性必修第一册)(已下线)3.2 空间向量基本定理(基础练)-2020-2021学年高二数学(理)十分钟同步课堂专练(人教A版选修2-1)