名校
1 . 已知
是无穷数列,
,
且对于
中任意两项
,
在
中都存在一项
,使得
.
(1)若
,
求
;
(2)若
,求证:数列
中有无穷多项为
;
(3)若
,求数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0361c11b97dbd249aaf084e8e8bb75fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0ad085279d897f162504ca5618608a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28a4f4b1af1618089ebf0d32026f40dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0616dca5cf0229b9f801365cc2bcfff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba50a82a53f0e597c096ccf5746f1b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53abaaac2e62f510d996e6db22aefe7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f273c5e859fd6256f887c979bb78d957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657435e1fda84118e7f63c97505c8b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2958030ec9d7543dda1f529593a915e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
您最近一年使用:0次
2020-11-15更新
|
549次组卷
|
4卷引用:北京一零一中学2022届高三9月月考统练一数学试题
北京一零一中学2022届高三9月月考统练一数学试题北京市海淀区2021届高三上学期期中考数学试题北京市第二十中学2022-2023学年高二下学期期中考试试卷(已下线)2020年高考北京数学高考真题变式题16-21题
名校
2 . 对于给定的奇数
,设
是由
个数组成的
行
列的数表,数表中第
行,第
列的数
,记
为
的第
行所有数之和,
为
的第
列所有数之和,其中
.对于
,若
且
同时成立,则称数对
为数表
的一个“好位置”
(Ⅰ)直接写出右面所给的
数表
的所有的“好位置”;
(Ⅱ)当
时,若对任意的
都有
成立,求数表
中的“好位置”个数的最小值.
(Ⅲ)求证:数表
中的“好位置”个数的最小值为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0ed48dd14479d683e4a55962d48c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80c0f65932e21d553f1ee34e0853ce3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbea10f0a025b941febac2156e25a702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07606e3ba938e4d498ca12888a9f628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0c5b637112984758894ad031cdd513d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600d2cfbdc6146db96cc545706004f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c60a9228344af107a996e0cf722ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c60a9228344af107a996e0cf722ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e13bbc8749b8195586497b97fa7204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6204adeb6094f46a2c2291c04c9414c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6e4fb03f4b2dc1fb6fd374788ab971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
1 | 1 | 1 |
0 | 0 | 1 |
0 | 1 | 0 |
(Ⅰ)直接写出右面所给的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e329a94337ada7c88a4fad9b92f0eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1d1b048f3f9ea35a9685b44f49338b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da41dadce7bd5104b60c4083ae8fa21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916c046bbc89656371556c69bccd139b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅲ)求证:数表
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856bd0a14a75864e34321ce18bb0c858.png)
您最近一年使用:0次
2019-05-09更新
|
364次组卷
|
4卷引用:北京市中央民族大学附属中学2022届高三12月月考数学试题