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解题方法
1 . 在圆台
中,圆
的半径是2,母线
,圆
是
的外接圆,
,
,则三棱锥体积最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2899e607479d8d1c47d954ae9ebb7144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d81d732204a3c2384a27606f858677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
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2 . 已知函数
有且只有两个零点,则a的范围____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ee76255706039aa778ff3add3f71a38.png)
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3 . 在四面体ABCD中,
,且
,则该四面体的外接球表面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43a7eabfc91ad9c5d614d40b68953fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d958839b418bbefd0504ad7c76eaf37.png)
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解题方法
4 . 在n维空间中(
,
),以单位长度为边长的“立方体”的顶点坐标可表示为n维坐标
,其中
.则5维“立方体”的顶点个数是______ ;定义:在n维空间中两点
与
的曼哈顿距离为
.在5维“立方体”的顶点中任取两个不同的顶点,记随机变量X为所取两点间的曼哈顿距离,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d290a4927c50661098e2fbea58d77b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12ef4978f1c6950a15dbb74de54ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e0ff46af0be5cdceb8d731a8d5f79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d12ef4978f1c6950a15dbb74de54ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b704578274fbbbe135c7ee5d7ccfdb9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2385ec6c558ffbe8973085a0f5e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5b9249c10ae3896e2ee96bfa1a153e5.png)
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5 . 在正四棱台
中,
,
,且该正四棱台的每个顶点均在表面积为
的球
上,则平面
截球
所得截面的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572d44de660d3975ee8c55a07cfa01b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d80f16c3278cd252725625dcf253cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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6 . 已知“
”表示小于x的最大整数,例如
,
.若
恰好有四个解,那么
的范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2efc4b458ea20c1acca4317505e9fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc3f3a0108359eb21062e0b03ac3729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df261b82a7ad6d9e35c0cd742e301b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29babd496e6c9b196f83bba77eac477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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7 . 古希腊著名数学家阿波罗尼斯发现:若动点M与两个定点A,B的距离之比为常数
(
,
),则点M的轨迹是圆.后来,人们将这个圆以他的名字命名,称为阿波罗尼斯圆,简称阿氏圆.已知
,M是平面内一动点,且
,则点M的轨迹方程为________ .若点Р在圆
上,则
的最小值是__________ .
![](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/de1e68a8b84c7062f763dd06beef5383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28ad58f426c58a9b2b89be292191dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f817d5f7090558cffccf8c3cd82c0493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d183e00fa84e9df65c1e90d6b647c872.png)
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8 . 已知函数
在区间
上单调,其中
为正整数,
,且
.则
图象的一个对称中心是______ ;若
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb95154f017468688350072eb2e5d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1653ead1af92751a1f2fd6b021fbdac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bd7c5c2e43bb9603a4c3b95583359f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0104ea4d64273d4180b51ab28973d1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
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9 . 在矩形
中,
为
的中点,将
沿
折起,把
折成
,使平面
平面
,则三棱锥
的外接球表面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2327f79bbfe0cbfb6c84ae2fe20c5ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d833a8e953d0d3a48a46d2b3aec89147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d833a8e953d0d3a48a46d2b3aec89147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbc38773a5b825b6f328f059747cda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3559df13766ca6e72ab355be51c93804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b027ed57b9c6f24e27ec0ae282c76efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209702f0ba1341855c705a25809013ed.png)
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10 . 已知圆锥的顶点与底面圆周都在半径为3的球面上,当该圆锥的侧面积最大时,它的体积为______ .
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2024-05-15更新
|
448次组卷
|
2卷引用:福建省漳州市第三中学2024届高三下学期高考全真模拟考试数学试题