名校
1 . 棱长为
的正方体
中,
为棱
的中点,
为正方形
内一个动点(包括边界),且
平面
,则当三棱锥
体积取最大时,其外接球的表面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a73120cd0988eb4a63436e7a4b9470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ea211a573491409cb60f9fbe9a65cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923189afc198d153c79059a827f63c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640aa89f8c302356d2dfe5ccf7c054b0.png)
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2 . 在
中,角
的对边分别为
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf7c342ca03223c26581d35f049a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7112e7ccb1eb90facfa5182ea763970a.png)
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3 . 定义新运算“*”为:
(
为正实数).若
,则函数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7fc3d96b9442ed70d6be9e22fabcd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc895b1d2260fd5d68f93206d4357da0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2304e98318b68e5e9ea39c2087996254.png)
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4 . 等比数列
中
且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b98ecbe5be0f77f7117931db9b4205.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23682d91705ae39a87856098668e1ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b98ecbe5be0f77f7117931db9b4205.png)
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5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf11604bb57205ba71dea71349f9b48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
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2024-06-13更新
|
267次组卷
|
2卷引用:河南省新乡市长垣市第一中学2023-2024学年高一上学期11月教学质量检测数学试题
名校
解题方法
6 . 已知直线
和
互相垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ad2d5ab573e7e58c879b7fb64158e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6969e11398ea68074f438df66d5b680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31463b348f21711420670df9d7d03a8.png)
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7 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e38bb389f8bf1cdbf339165e49b33c9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e38bb389f8bf1cdbf339165e49b33c9.png)
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8 . 集合
用列举法表示为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/553c3319ce11460854acf9af0d85d8c9.png)
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2024-06-11更新
|
141次组卷
|
2卷引用:青海省西宁市大通回族土族自治县第二完全中学2023-2024学年高一上学期期中教学质量检测数学试题
名校
9 . 阿波罗尼斯是古希腊著名数学家,与阿基米德、欧几里得并称为亚历山大时期数学三巨匠,他研究发现:如果一个动点
到两个定点的距离之比为常数
(
,且
),那么点
的轨迹为圆,这就是著名的阿波罗尼斯圆.若点
到
,
的距离比为
,则点
到直线
:
的距离的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76218cf7a5779168198df12edafa276a.png)
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2024-06-11更新
|
60次组卷
|
2卷引用:青海省海东市第一中学2023-2024学年高二上学期期中考试数学试题
名校
10 . 在
中,
,
,
,
,
为
上一点,且满足
,若
,则
的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c9ba21933a3ac9f13936183443e8d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b091c6a44e3ae2323c6830975471a137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae64fb5b50398f3147e96e8648b3d5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72850427e83ff19a24305783e080b280.png)
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