名校
解题方法
1 . 高斯是德国著名数学家,近代数学奠基者之一,享有“数学王子”称号,他和阿基米德、牛顿并列为世界三大数学家,用其名字命名的“高斯函数”为:设
,用
表示不超过
的最大整数,则
称为高斯函数,例如
,
. 已知函数
,函数
,则下列4个命题中,其中正确结论的选项是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1dffa925101e9e19720ee7295133d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be209b4634a4169d727f9fac198acce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bbc6c3245906550c7641ce0471ac202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c583c96c958b9653dd9b66f7dbd7079.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9bcf0effd771e30ab3399d2fcd9fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bed8d403d5e4e232c8ac65ed87af5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259118296ced0cf932f15d08c3feee77.png)
A.函数 ![]() |
B.函数 ![]() ![]() |
C.函数 ![]() ![]() |
D.方程 ![]() |
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名校
2 . 在平面直角坐标系中,如果将函数
的图象绕坐标原点逆时针旋转
后,所得曲线仍然是某个函数的图象,则称
为“
旋转函数”.
(1)判断函数
是否为“
旋转函数”,并说明理由;
(2)已知函数
是“
旋转函数”,求
的最大值;
(3)若函数
是“
旋转函数”,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fa5f2fb55a2931ba27f3832ce80d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6bfcbdc07d9a93da61ad74ffb34cce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b2a3cb508e543dfedbf35da570c442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7日内更新
|
512次组卷
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2卷引用:浙江省名校新高考研究联盟(Z20名校联盟)2024届高三第三次联考(三模)数学试题
3 . 对于正整数n,
是小于或等于n的正整数中与n互质的数的数目.函数
以其首名研究者欧拉命名,称为欧拉函数,例如
(
与
互质),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7cc0ad7521b5771950aea983f0c1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7cc0ad7521b5771950aea983f0c1c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c9e69c7d5a3d7a5633a373a8a39544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786c6406780167f9744d0f9e9682e471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
A.若n为质数,则![]() | B.数列![]() |
C.数列![]() | D.数列![]() |
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名校
4 . 一般地,对任意角
,在平面直角坐标系中,设
的终边上异于原点的任意一点P的坐标为
,它与原点的距离是
.我们规定:比值
,
,
分别叫做角
的余切、余割、正割,分别记作
,
,
,即
,
,
,把
,
,
分别叫做余切函数、余割函数、正割函数.
(1)已知
,则
的最大值为_______ ;
(2)设
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7bf9200b351a259ddfc6c0266129d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2d7c084731df9cdabf1f0af121e3e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fee1e0f6c44b3027d0d6f8d9396f209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d494c34104f679bdbea537164f1907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e609ecb22257c1ca2fe78b1dc2e62141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48bd75362790c061d70f80de8febc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b57070a05279ad5e576d13fb9c1bef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851b7eec8ee522611f6b96a60ab9fc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147f65043356b475c5c2bba102958807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5cac6f59b3e1405a3b64d13c88e8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175c64c2a2393743bde92b3e46df42cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7688d35e68414fa995babd7437e678b.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba1cf8cc0ca8fbbc8863fb416e25730f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bde963bde77dedd5e9859b5a4f5e49e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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名校
解题方法
5 . 高斯是德国著名数学家,近代数学的奠基者之一,享有“数学王子”的称号,用他名字定义的函数称为高斯函数
,其中
表示不超过
的最大整数,如
,
,已知数列
满足
,
,
,若
,
为数列
的前n项和,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1550a97c21c1d71c9e95dde569668be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d54a0e82778f606d95a486835ac9f56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f2323cbdf0b1b71092c962ae705102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1928c254cfada1f75a5cd1e34db5a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d845281cd834068104af1b1aa6027c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7231e303ae39572f6c359c5e83822075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db58884d81b1307982b9153dcea51d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c3ac959bdf1b78cb98d92b87c91c46.png)
A.2025 | B.2026 | C.2023 | D.2024 |
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6 . 随着大数据时代来临,数据传输安全问题引起了人们的高度关注,国际上常用的数据加密算法通常有AES、DES、RSA等,不同算法密钥长度也不同,其中RSA的密钥长度较长,用于传输敏感数据.在密码学领域,欧拉函数是非常重要的,其中最著名的应用就是在RSA加密算法中的应用.设p,q是两个正整数,若p,q的最大公约数是1,则称p,q互素.对于任意正整数n,欧拉函数是不超过n且与n互素的正整数的个数,记为
.
(1)试求
,
的值;
(2)设p,q是两个不同的素数,试用p,k表示
(
),并探究
与
和
的关系;
(3)设数列
的通项公式为
(
),求该数列的前m项的和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc89a53c03cb86fb653bb82128f6cba.png)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5a7d43c99d28e662488e7a24565de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8e13f7ae4d60e17a6d1fcf0d45f9b4.png)
(2)设p,q是两个不同的素数,试用p,k表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e7e6246e82271f5484bbfb9d6ea1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7399fcd570d1de4057f2059759d18cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647a247eba3658ab991c7f88f877f3b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233ae3d4719641e1e59495b1a3de2a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21a64a56b890d3af540ac6c9711b07c1.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0949542bb170f781500b06ba215979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f29c06a3e9a73e905eb87d71efa201c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e74be91bfe4bc209da7539dbf9b72c.png)
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7 . “肝胆两相照,然诺安能忘.”(《承左虞燕京惠诗却寄却寄》,明•朱察卿)若
两点关于点
成中心对称,则称
为一对“然诺点”,同时把
和
视为同一对“然诺点”.已知
,函数
的图象上有两对“然诺点”,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a95d247ffb2774bb7e22708b25daf7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71bbe792268ddc7adc67b489a3c61927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b586fb1043595a3dc45e21e3497dea13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322ba9631f39dc7856615147e7594002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.2 | B.3 | C.4 | D.5 |
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2024-05-01更新
|
366次组卷
|
3卷引用:四川省成都市第七中学2023-2024学年高二下学期4月期中考试数学试题
8 . 布劳威尔不动点定理是拓扑学里一个非常重要的不动点定理,它可运用到有限维空间并构成了一般不动点定理的基石,得名于荷兰数学家鲁伊兹·布劳威尔(L.E.J.Brouwer).简单地讲就是:对于满足一定条件的连续函数
,存在实数
,使得
,我们就称该函数为“不动点”函数,实数
为该函数的不动点.
(1)求函数
的不动点;
(2)若函数
有两个不动点
,且
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d468b616235df122370cf58f03bb678f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249ae140f4c699e463b914aa0a25a260.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493db98b5e52328db4dd952e589b3cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cfc6ebbd5ab3be6a65a553e9da0f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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解题方法
9 . 罗尔定理是高等代数中微积分的三大定理之一,它与导数和函数的零点有关,是由法国数学家米歇尔·罗尔于1691年提出的.它的表达如下:如果函数
满足在闭区间
连续,在开区间
内可导,且
,那么在区间
内至少存在一点
,使得
.
(1)运用罗尔定理证明:若函数
在区间
连续,在区间
上可导,则存在
,使得
.
(2)已知函数
,若对于区间
内任意两个不相等的实数
,都有
成立,求实数
的取值范围.
(3)证明:当
时,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f94345694d4215284c41f87146795ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e655794426cb48ec8f537baae3dd07d0.png)
(1)运用罗尔定理证明:若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1486d2ae6c7e7904ab47b909039ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2982ec308d84c83d538a58dae3ff1569.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee44b0f79b66f04bde9b696c393eb47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafa44c4a404f62f54460dbcd7b8a0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1837cd091231e2ea18571efa5d60403c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c3786a1c3167a200c9d1c8f0e6184a.png)
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|
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|
2卷引用:湖南省新高考教学教研联盟2024届高三下学期第二次联考数学试题
名校
解题方法
10 . 太极图是由黑白两个鱼形纹组成的图案,俗称阴阳鱼,太极图展现了一种相互转化,相互统一的和谐美.定义:能够将圆
的周长和面积同时等分成两部分的函数称为圆
的一个“太极函数”下列有关说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.对圆![]() |
B.函数![]() ![]() |
C.存在圆![]() ![]() ![]() |
D.直线![]() ![]() |
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