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1 . 19世纪美国天文学家西蒙·纽康在翻阅对数表时,偶然发现表中以1开头的数出现的频率更高.约半个世纪后,物理学家本·福特又重新发现这个现象,从实际生活得出的大量数据中,以1开头的数出现的频数约为总数的三成,并提出本·福特定律,即在大量b进制随机数据中,以n开头的数出现的概率为
,如斐波那契数、阶乘数、素数等都比较符合该定律,后来常有数学爱好者用此定律来检验某些经济数据、选举数据等大数据的真实性.若
(
,
),则k的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e299852e6c767d1445835ddb194f3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08528e9a6e8c09b5bd447da247f15a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7399fcd570d1de4057f2059759d18cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8dc9f9ab0d5844b590bd73191b316b.png)
A.674 | B.675 | C.676 | D.677 |
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解题方法
2 . 已知
,
,
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28cf713695734084adadb0cf0cc40af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b529da6d1615e3f06eac5abfc75713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7511d359026d8d6b15fd5e9ea2d69b.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/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 设
,则有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1fad14aa57f881f201e870c4f20593.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 围棋是我国发明的古老的也是最复杂的智力竞技活动之一.现代围棋棋盘共有19行19列,361个格点,每个格点上可能出现黑子、白子、空三种情况,因此整个棋盘上有
种不同的情况,下面对于数字
的判断正确的是( )
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f99ea5a69e5e2efdc6a1a08f4e8e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f99ea5a69e5e2efdc6a1a08f4e8e90.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70345587c2d90c50abb161cd7e158a67.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
5 . 已知定义在
上的函数
满足
,当
时,
.若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84138ea27b607e42e82613ce107c19a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c837522a811402efb9762210c5362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52f6ee8ead43c46f73102b87a2d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430de61597b048041deac179a95bb43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b3dc7f5f579e9bc355276fc486129d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12c047648e8b47e3cdf93f60ed75aa6.png)
A.![]() | B.![]() | C.![]() | D.[1,4] |
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2024-06-08更新
|
520次组卷
|
2卷引用:江西省吉安市第一中学2024届高三三模数学试题
名校
7 . 若
,
,
,则正数
大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbd09e560887f8b826206e5dcbfe0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f3406589c80c548c2072a89357589a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615490e1ec51137c8792f0418db24b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知
,且a,b满足
,则下列不等式恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a276254d6fff3a72fa8521b2b28c1b04.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86adf750d687339059bee99ce60754a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229d79a022b93c6ecfd6226f3bba30fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d21d136b54af22e145564ab4372344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86adf750d687339059bee99ce60754a.png)
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解题方法
10 . 已知
,
,
,
,则在
,
,
,
,
,
这6个数中最小的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785dac87206d5a2fde58dc629575440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cebc1007b5d36761f8049826077df50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0595ddf421f5eb6304903870905adf06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44db1ac4ff914ce499c4f650ca9e517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1103ddae6ffaba2b15808c6df09c0248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77fa8d7b2895886fb1a63a127acbe69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94720967984b2ab27d9637569ee1c146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1afc5679cf6db93d692a4e38ea07c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc952bb461a420a6877211ce32ac50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb00b6918dfb251c1a63acdc07464b92.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-02更新
|
633次组卷
|
2卷引用:江西省宜春市丰城中学2023-2024学年高一下学期4月期中考试数学试题