名校
1 . 已知三棱锥
的四个顶点均在球O上,
平面
为等腰直角三角形,A为直角顶点.若
,且
,则球O的表面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1258223a94b8d5790053de9c640db8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0470bb4b86ddf002cc5b146c2abe47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced1596b1848adb52de3d0943b9fc5f2.png)
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2 . 在正项等比数列
中,
,则
的最大值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fdd6661bb04cc216641de7e89d7c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefc81004f635ff8ec14b3008154724d.png)
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3 . 已知
的最大值为3,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3afddf0af09c9dfc48aa2c87c20556.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345669a1b6a90a2169b26e80b74ffcfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3afddf0af09c9dfc48aa2c87c20556.png)
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4 . 已知三棱锥
,
为
中点,
,
,且
,
,
,
,则三棱锥
外接球的表面积为______ ,过点
的平面截该三棱锥外接球所得截面面积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d9ef979b9f27a28cbda6923e888ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900531973c546625694146fa1509ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd3eb538f36e6e722e4ce125266b99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3755b2bcf7516eedb26a27ad73657216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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解题方法
5 . 已知棱长为1的正方体
内有一个动点M,满足
,且
,则四棱锥
体积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c425e2bc51c94717ee613f9a6dff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440e8409121aff14ec2d2d7f3919a150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0db0dfbebfda04286949b1f11efb36.png)
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6 . 设
且
,则
的最大值为__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee6696dee035519e1ba7fb78269830.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ac7eb1e911c9a40e84235bf3742ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859e880e86ea03026e38805cb1320359.png)
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2024-06-04更新
|
1142次组卷
|
2卷引用:重庆市西南大学附属中学2024届高考全真模拟数学试题
名校
7 . 已知圆
和抛物线
,F为抛物线C的焦点,若圆M与抛物线C在公共点P处有相同的切线l,且直线l的纵截距为
则实数p的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33310187e5735b2ded8d82bb78ccd888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b018f9658dfb68a30bd928e5d730045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8b380a1c7bc573f57f8bcb2fb8d1c2b.png)
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2024-06-04更新
|
316次组卷
|
2卷引用:重庆市南开中学校2024届高三下学期第八次质量检测(5月模拟预测)数学试题
8 . 已知正四棱锥
的底边长为2,过棱PA上点
作平行于底面的截面
,截面
边长为
,则截得的台体
的体积为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4586c36ecaff9aa606b6148eb28484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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解题方法
9 . 学习以下过程:若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35426df35d0b2eae48af24f5e029b8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fc32806172f394bbde81797aefcd82.png)
,完成下面题目:已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c96adab43f4e12950ff28ec902e9993.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1018d072c74bd0f5f013002751e16668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fda0241d8ec426980f1d0d952e7eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35426df35d0b2eae48af24f5e029b8dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fc32806172f394bbde81797aefcd82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113d9ba315ee03796ed4993d823bf855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd40ca9cbe17fe92d0e9f1f1c8cacf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a18cb53580e8d0e288de7ede303fc78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c96adab43f4e12950ff28ec902e9993.png)
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10 . 曲线
上的点到直线
的距离的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9bd66038f4f568836dd6c3d10cdfe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab36aefa3c588e4a3ac3fc6b41a9cab4.png)
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