1 . 定义
为正整数
的各位数字中不同数字的个数,例如
.在等差数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
___________ ,数列
的前100项和为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006d54905e72dac6b9f6fcf1a6ada6d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ebe46bffead42216839a2b4958a420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903304fb655d626931c005a4dbc8ea29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65723ad260705c559714d9b12e20a1fd.png)
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2020-05-09更新
|
949次组卷
|
8卷引用:2020届陕西省商洛市高三下学期高考模拟测试文科数学试题
名校
2 . 设正整数数列
满足
.
(1)若
,请写出所有可能的
的取值;
(2)求证:
中一定有一项的值为1或3;
(3)若正整数m满足当
时,
中存在一项值为1,则称m为“归一数”,是否存在正整数m,使得m与
都不是“归一数”?若存在,请求出m的最小值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7138cc707c7bec7c0c5a60ffd25c1c2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259b2e755105c0ee479eabf7265a76a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(3)若正整数m满足当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999ac8c1ef39251e07a7fc54cbf7e26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0623207595425920f16e76a7f8f268b6.png)
您最近一年使用:0次
2020-02-23更新
|
669次组卷
|
3卷引用:2020届北京市十一学校高三(12月)月考数学试题
3 . 对任意正整数
,定义函数
如下:
①
;
②
;
③
.
(1)求
的解析式;
(2)设
是数列
的前
项和,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0877194ab8760f54c35527177b03ff93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058f4325169eafcc30081eaf45327a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4083bd347f947ac13e6c177ade147c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2514dc16490d7266ab90eb686f7f1011.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3e9fe7e0e1dd0e736ed8c78824505e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e058f4325169eafcc30081eaf45327a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6648060c39619e9937824e412be9d.png)
![](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/b1fa62547035003b5751493e05db2e24.png)
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4 . 在某次会操活动中,领操员让编号为
的
名学生排成一个圆形阵,做
循环报数,领操员一一记录报数者的编号,并要求报l、2的学生出列,报3的学生留在队列中,并将编号改为此次循环报数中三名学生的编号之和.一直循环报数下去.当操场上剩余的学生人数不超过两名时,报数活动结束.领操员记录最后留在操场的学生编号(例如,编号为
的九名学生排成一个圆形阵,报数结束后,只有原始编号为9的学生留在操场,此时,他的编号为45,领操员记录下来的数据分别为l,2,3,4,5,6,7,8,9,6,15,24,45).已知共有2011名学生参加会操.
(1)最后留在场内的学生最初的编号是几号?
(2)求领操员记录下的编号之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8a9447023b3dccd22d680b2ea8604c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3305c5057f5ae4b73209d3e3a4ea76b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011c386c454c08386305ee1e03d6d651.png)
(1)最后留在场内的学生最初的编号是几号?
(2)求领操员记录下的编号之和.
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5 . 已知
、
、
为实数,对大于1的整数
都有
.
(1)若
、
、
成等差数列,求证:
、
、
也成等差数列;
(2)若
、
、
成等差数列,找一个反例,使
、
、
不成等差数列;
(3)对
,若
、
、
成等差数列,且公差不为0,问:
、
、
是否成等差数列?证明你的结论.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916856becb10588f9734f28eb02c8b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36953850f9f4688e7af261d9fcbff945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d69e82b8469a7f001db0292913b477c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e008faa6dd8828d2c9e638b3b2a58d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8cc0b4997cae4d8aec791a1d3923314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566f7614d51f0348db982a9440de8844.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8238eeb593f65d14a25a6c67f00fce31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2da4edc778c560d8f62b45a752c1d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21337225fe08ff98725c6ab411a22e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b367f647833446cf684c3ddedb1592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f22f54a613a0e4889f1514656c4d22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119c423d466df09a243b18f241873b75.png)
(3)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029da2067b3564cee13879e402a89a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848b8e2fa13f3977bcd302a64031efb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33e6b127aacb2a3acc3f5ee3eb6c380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502e5812933d4c9a32fa88139fcdd993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81baf482546f298ba289d723bc21e0c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8212e307836cb33f16575e23f6b808e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd44c2ae34921d515647486186cdeda.png)
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6 . 试求出所有的正整数组
,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2310854ec35b2b5c0aa7aaab046da121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e95c387c4671455a3fc6315622fa288.png)
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7 . 已知无穷正数数列
满足:
(1)存在
,使得
;
(2)对任意正整数
、
,均有
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(1)存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda3ca9e9d1924f64a085e8e98c10283.png)
(2)对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b12411932a06a00ede6dda21384a953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bdb70b6249c0abe6bc4361e92e3f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d191d6de821fbb06a51b5a20112db6de.png)
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8 . 若
、
、
均为正整数,且
,
为一素数,
、
、
的
进制表示分别为
,其中,
.证明:
(1)若
,且对整数
均有
,则
,其中,
表示不超过实数
的最大整数.
(2)
,其中,
表示集合A中元素的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.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/e36f9efed1e6ab40fe4b830e555a2be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a318d2e9ade7cfbfd929ec50b1dfa94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd3d21fee7bcd8f08f7974449ff03dd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0a2f5e1c043adb4a4c84f47af96c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d26f6dbd8c3d346eb89e4747db96de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e3106344628f582fea0659d725a4e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ff096c9e4a1b6bd5954bb1817a459df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d983b63ac9f95cdd7522ccfa0df2b227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77863474e93f929327947fcd92b81b32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d07f02828d765019b7261f51a292f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e7a004c11fab7cab3bb889d88cb5e51.png)
您最近一年使用:0次
9 . 已知数列
满足
,对每个正整数
,有
或
.如这个数列可以为1,2,4,6,10….
(1)若某一项
为奇数,且不为3的倍数,证明:
;
(2)证明:
;
(3)若在
的前2015项中,恰有t个项为奇数,求t的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169498a7be9ef8b2a8c7b828d612722d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bcfc48f9bc23cc43085bdb910e7a136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e40ed9ff04566921c6a1291eed08fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a404164c8d199f60d183a59b3647cc.png)
(1)若某一项
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef3d144e7d714ee1b2638ede17709de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f4045b9f7cc8d35ea1c7681f90b965.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dfee291b904a5f94cf2e00600d15839.png)
(3)若在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
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10 . 设
,
,
.
证明:(1)存在常数
,使得对任意正整数
,有
.
(2)对任意正整数
,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329785900390130a04a57d0b55aaa569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e80d92604d555e5527e2940dbab30d.png)
证明:(1)存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75aed2b995e34438a29a4170cf535914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a789bc44e657fb9df0dc9071407a596e.png)
(2)对任意正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84310b5773fd68151cbde54e1cfb46de.png)
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