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)
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A.2025 | B.2026 | C.2023 | D.2024 |
更新时间:2024-05-25 17:46:22
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】已知数列
满足
,
(
且
),且数列
是递增数列,数列
是递减数列,又
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.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/3beaa94c8381ead1175f1795bc1dd4d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e575361303595eb25710553337bb2708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf637cca53efd4b054a5cbcdb1f15caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ade3a1d01605706801e238726e55fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acca5aa6b2285d897a65c289c1b54ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
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名校
解题方法
【推荐2】已知函数
,数列
的前n项和
满足
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220bb75f2c1545d5a5664bd465dac463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4081e21885188929f4e792503ad6ba.png)
A.![]() |
B.数列![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
单选题
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较难
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解题方法
【推荐1】下列关于数列
的判断中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c530fb86c411d24da90638373538a2c.png)
A.对一切![]() ![]() |
B.对一切![]() ![]() |
C.对一切![]() ![]() ![]() ![]() |
D.对一切![]() ![]() ![]() ![]() |
您最近一年使用:0次
【推荐2】已知数列
满足
,
,则数列
的前10项和
( )
![](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/23dccc60738f39c78238b0670e4f319b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7706e0dba93c9f25c28bc8b01de44b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1f1b7e9e20d799ee3c06b89a0611c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
解题方法
【推荐1】已知
表示大于
的最小整数,例如
,
,下列命题中正确的是( )
①函数
的值域是
;
②若
是等差数列,则
也是等差数列;
③若
是等比数列,则
也是等比数列;
④若
,则方程
有2022个解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728509d4c7d8a305afb7ec4580075109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e111d49c07215cf086bac317abe2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd336f5ed9e319b1dadc3f52354cd901.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2405c0d3262a1ce093f8579ee15101e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e326584e70249e5403c7bbded34a56e2.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e326584e70249e5403c7bbded34a56e2.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0562f0f7a0accaab1955045d2e2bd25e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7982d86523b2018ff57b1fce3bc510e9.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
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名校
【推荐2】给定集合
和定义域为
的函数
,如果对于任意
、
及
均成立
,则称函数
是“
关联”的.对于下列两个命题:
①若
是“
关联”的,则
一定是“
关联”的(
为正整数);
②若
是“
关联”的(
、
为正整数),则
一定是“
关联”的.判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4f57099600b733e9db7ecaf8b877b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590c4adcd16727c3d0ec27e4f1c77025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6170ed4a10e57487d525e71610dff82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacbee697756e1869b693e55d7e9d3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/265ae7f9de1c743deccdf2d30359da21.png)
A.①、②都是真命题 | B.①、②都是假命题 |
C.①真命题,②是假命题 | D.①是假命题,②是真命题 |
您最近一年使用:0次