名校
解题方法
1 . 欧拉函数
表示不大于正整数
且与
互素(互素:公约数只有1)的正整数的个数.已知
,其中
,
,…,
是
的所有不重复的质因数(质因数:因数中的质数).例如
.若数列
是首项为3,公比为2的等比数列,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c47847486c103fabb5b4ba4220c6a8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc89a53c03cb86fb653bb82128f6cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac535d98f300ff35496c66fe3c66a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b9bd3d8d836eb723be002c86a53740.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9fa588c3a8ac4df1b963a1f2850163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c47847486c103fabb5b4ba4220c6a8.png)
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2024-06-03更新
|
592次组卷
|
3卷引用:安徽省合肥市第一中学2024届高三下学期三模数学试题
名校
2 . 已知
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be8e60a3bbf9a7b78e8c4a2d2a334be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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名校
解题方法
3 . 已知三棱锥
的外接球为球
,
为球
的直径,且
,
,
,则三棱锥
的体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2899e607479d8d1c47d954ae9ebb7144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a156363bb1b251816b8a5982cc9425a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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名校
4 . 已知函数
,则
从1到
的平均变化率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802cc92d5bba9a5baec6018323ff86bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/869df739f0444ef42d23c754361714e4.png)
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5 . 已知各项均为正数的等比数列
,其前
项和为
,满足
,则数列
的通项公式是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f8d551381b0729a25ac2798160426e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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6 .
的展开式中
的系数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d7946b0f4d3447fa2460b9417e59d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e58043bd1ca45cde08179613ff4a488.png)
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7 . 若
为一组从小到大排列的数
的第六十百分位数,则二项式
的展开式的常数项是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc717974de0ce347341277c12d3fb3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4e25be1894e14879c0cfdf02a22882.png)
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8 . 在边长为2的正
中,动点P在以C为圆心且与AB边相切的圆上,满足
.则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734c5f0ab3f244ae2ce1ba7b618cb0ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
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解题方法
9 . 在四面体ABCD中,
,
面BCD,底面三角形BCD为直角三角形,
.若该四面体的四个顶点都在球O的表面上,M,N分别是AB和BC的中点,过M、N两点作球O的截面,则面积的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9b71036e91223e7ed791fe03bb2805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbab4a3f9636fe3eeee75ba79d08a52.png)
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名校
解题方法
10 . 在
中,设
所对的边分别为
,且
,则以下结论正确的有__________ .
①
;②
;③
;④
;⑤
.
![](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/d1c6a5188c0385b7938bc69aa33c8207.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c979522360cfb57d021f796b56f509f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11a01870ebcd7fbaf6aca7885b45feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0bb98a9e9cf7b886087256890e4934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05613af4007489fb8ed0c1ea872c48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c447118c30ce600eb20d77e6ff94312b.png)
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