名校
1 . 下列命题正确的是( )
A.若![]() ![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
解题方法
2 . 如图,在四棱台
中,
,
,设
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067613594cca07e73993d85045e8964f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e14b373f8f375c9cbf9e48b7b61f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eadbb07ec74fb4d27d1d5edce9dfb289.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/391821ce-8ce7-4226-af9c-f42a49923aaf.png?resizew=164)
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3 . 四棱柱
的六个面都是平行四边形,点
在对角线
上,且
,点
在对角线
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/4d6704cd-d846-48a0-8dfc-3b921517bb0e.png?resizew=185)
(1)设向量
,
,
,用
、
、
表示向量
、
;
(2)求证:
、
、
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e663220a66eff19da6a71e46b397db2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7edc594bc197a4f8ae571df31d22b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae4af331bca6587521e6dd4212f78d1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/4d6704cd-d846-48a0-8dfc-3b921517bb0e.png?resizew=185)
(1)设向量
![](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/39b0ff98fe5e0a913ebecda552acc6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ef300fccd1d15cfd5556f9d742e12f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53766326ff2736199a9318970f1603c.png)
(2)求证:
![](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/e5b3bd5e6bc2a0a277d279bb01af9584.png)
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2024-02-27更新
|
247次组卷
|
7卷引用:3.1 空间向量及其运算
(已下线)3.1 空间向量及其运算(已下线)高二上学期第一次月考解答题压轴题50题专练-2023-2024学年高二数学举一反三系列(人教A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(3)(已下线)专题01 空间向量与空间位置关系【考题猜想】-2023-2024学年高二数学上学期期中考点大串讲(人教A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(4) 四川省泸县第五中学2023-2024学年高二上学期第一次月考试数学试题(已下线)3.2 空间向量基本定理(五大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
解题方法
4 . 如图,在四棱锥
中,底面
为平行四边形,
,
,
分别是
,
的中点,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/1d9936f3-3cfc-44a4-96ce-5289192307bc.png?resizew=154)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fbccd5940f750640993b61f0aa7609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/1d9936f3-3cfc-44a4-96ce-5289192307bc.png?resizew=154)
A.![]() ![]() |
B.三棱锥![]() ![]() ![]() |
C.![]() ![]() |
D.A,E,G,F四点共面 |
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解题方法
5 . 已知棱长为1的正方体
,点
满足
,则
到
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5307c3f74d96e3c4414319be3f5e8491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
6 . 在三棱锥
中,
平面
交平面
于点
,则下列说法中错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/c2ff1545-368d-483f-965e-979cf769bc2e.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/c2ff1545-368d-483f-965e-979cf769bc2e.png?resizew=138)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知
是
的重心,
是空间中的一点,满足
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eded1297a93002f3f5c4d0cdd9577ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76263056b7ff5fb421401a5e23919e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53dc167055c0bdbd78061b6c062b35f1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-05更新
|
1031次组卷
|
3卷引用:重庆市第十八中学2023-2024学年高二上学期期末模拟数学试题(A卷)
解题方法
8 . 在平面上有如下命题:“若
为直线
外一点,则点
在直线
上的充要条件是:存在实数
,满足
且
”类比此命题,给出点
在平面
上的充要条件是:______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e06ca53803f042a5eca99f56a70f05e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
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9 . 如图,在长方体
中,下列运算结果化简正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/ff46501d-afe2-4b32-9428-e8ca0a311355.png?resizew=140)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/5/ff46501d-afe2-4b32-9428-e8ca0a311355.png?resizew=140)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-10更新
|
225次组卷
|
3卷引用:湖北省云梦县黄香高级中学2021-2022学年高二上学期期末数学试题
湖北省云梦县黄香高级中学2021-2022学年高二上学期期末数学试题江西省上饶市广丰区南山中学2023-2024学年高二上学期期末模拟数学试题(已下线)专题11 空间向量及其运算10种常见考法归类(1)
名校
解题方法
10 . 如图,在梯形ABCD中,
,
,点
为空间任一点,设
,
,
,则向量
用
,
,
表示为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a14895e4d42943e5a87ba078dd8268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64f1161e0345b3646c71365430dccbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714e672583f293a4f385bd35accce875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0817b1d42d814047f094dea7b57cd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcc9cc1edee22d39995777502be4d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce36c55a678b2d9da467ffde94b1b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff409cd3886c767afb13c9a869c5f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6570cd7c2f81c9fcffd2c64664f1564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d8e782e9687f2e6276a8541ff8dcf7.png)
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