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1 . 已知数列
满足:
,设
,数列
的前
项和为
,则下列选项正确的是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28e5d7fdc93d1d4221147228372a9ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f6fb624cfdfd013fbae2070730be68d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b18a481a4c24919464fcfcd805c188.png)
A.数列![]() ![]() | B.![]() |
C.![]() | D.![]() |
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6卷引用:山东省潍坊市2020-2021学年高三上学期期末数学试题
山东省潍坊市2020-2021学年高三上学期期末数学试题江苏省南京师范大学《数学之友》2021届高三下学期二模数学试题江苏省南京五中2021届高三下学期一模热身测试数学试题江苏省南京市金陵中学2021-2022学年高三上学期学情检测考前热身数学试题(已下线)第4章 数列 单元综合检测(难点)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)(已下线)压轴小题1 递推数列综合问题(4月)
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2 . 设n是正整数,对每一个满足0≤
≤n(i=1,2…,n)的整数数列A:0,a1…,an,定义变换T:T将数列A变换成数列T(A):0,T(a1),T(a2),…,T(an),其中T(ai)为数列A位于
之前的与
不相等的项的个数(i=1,2,…,n),令Ak+1=T(Ak)(k=0,1,2,…)
(1)已知数列A0分别为0,1,2,3和0,0,2,0,1,3,请写出对应的数列A1,A2,A3,
(2)数列B:0,b1,b2…,bn满足bi﹣1≤bi,且bi=i或bi﹣1(i=1,2,…,n),求证;T(B)=B;
(3)求证:对任意满足已知条件的数列A0,当k≥n时,Ak=T(Ak).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a272adba0f1120109824440f0e252c.png)
(1)已知数列A0分别为0,1,2,3和0,0,2,0,1,3,请写出对应的数列A1,A2,A3,
(2)数列B:0,b1,b2…,bn满足bi﹣1≤bi,且bi=i或bi﹣1(i=1,2,…,n),求证;T(B)=B;
(3)求证:对任意满足已知条件的数列A0,当k≥n时,Ak=T(Ak).
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2卷引用:北京市人大附中2018届高三高考数学(理科)零模试题
名校
解题方法
3 . 如图,曲线y2=x(y≥0)上的点P1与x轴的正半轴上的点Qi及原点O构成一系列正三角形,△OP1Q1,△Q1P2Q2,…,△Qn﹣1PnQn…设正三角形Qn﹣1PnQn的边长为an,n∈N*(记Q0为O),Qn(Sn,0).数列{an}的通项公式an=_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/befe99df-b658-421c-b586-e7753d0d746d.png?resizew=239)
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12卷引用:安徽省六安市第一中学2018-2019学年高一下学期期末数学(理)试题
安徽省六安市第一中学2018-2019学年高一下学期期末数学(理)试题2020届河北省衡水中学高三下学期一调考试数学文科试题(已下线)2020届高三3月第01期(考点06)(文科)-《新题速递·数学》(已下线)第2章+数列(能力提升)-2020-2021学年高二数学单元测试定心卷(苏教版必修5)(已下线)第二章+数列(能力提升)-2020-2021学年高二数学单元测试定心卷(人教版必修5)(已下线)考点29 抛物线-2021年新高考数学一轮复习考点扫描(已下线)专题7.18 数列与解析几何的综合-2022届高三数学一轮复习精讲精练湖南省湘潭一中2019-2020学年高三上学期11月月考理科数学试题(已下线)专题26 数列的通项公式-5(已下线)专题02 数列(第二篇)-备战2020高考数学黄金30题系列之压轴题(新课标版)(已下线)专题10 数列通项公式的求法 微点1 观察法(不完全归纳法)、公式法福建省泉州市泉港区第一中学2023-2024学年高二上学期第二次月考数学试题
4 . 已知
,数列A:
,
,…
中的项均为不大于
的正整数.
表示
,
,…
中
的个数(
).定义变换
,
将数列
变成数列
:
,
,…
其中
.
(1)若
,对数列
:
,写出
的值;
(2)已知对任意的
(
),存在
中的项
,使得
.求证:
(
)的充分必要条件为
(
);
(3)若
,对于数列
:
,
,…
,令
:
,求证:
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce056bb311610344f135cb4556ec077c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e5dfcc28321b563a8012ec2899c502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e916da5bbc4b0ee4a28b8cac0441569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40451e0f90ba4df0cb35143b93303a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9157ebffc000886668360981197041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c213b8556a744796d802db4e58985a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759a1cbe003f428408437339560e3266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ee2879f90de81ba04d18aa6079de35.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e984320c35fd2f65f72df993cb2c97a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cb1d423ec1930011e4c7ed79fb9a7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6931690445142df14a6f487d8fff4a7e.png)
(2)已知对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab1e6771cf5aa28cf594514258ead70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ae1522a36768618f7ddaf74abbb7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41c85be1194188e0a726d343b1c9237f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca9e69e2b87edb1044bc902bf8f0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4043f483f8ab44ce5895d8c85dd30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e80d145b01074362d1e4ae6c6391326.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029c1b13246250173b74f56d7007269e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a64ed93e3ac6fae4ec774bc4e90cb05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7d7a031e551e9f6f7de0351e1380d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0850369056d53c0f7758ecd59db920d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b26484e0328c0fc9c29b774aef4287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4043f483f8ab44ce5895d8c85dd30.png)
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2020-03-04更新
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373次组卷
|
3卷引用:【区级联考】北京市东城区2019届高三第二学期综合练习(一)数学(理)试题
5 . 已知集合
,
,
.对于数列
,
,且对于任意
,
,有
.记
为数列
的前
项和.
(1)写出
,
的值;
(2)数列
中,对于任意
,存在
,使
,求数列
的通项公式;
(3)数列
中,对于任意
,存在
,有
.求使得
成立的
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7401d52d5f947f91a8ec937f946bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e88c79efe16f4bc82be360a7f1bcaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8f1df735a4480e538fd1d067fbd577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7374d58f2a60d96904b5e902b9fc829.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd71bc7e6668f90f259ad0b06dd60c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
(2)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce0808aca14083c79ab3b29930b57b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81af791f20dc5522ddc62b2a49a159f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b311784db139326c27b72a3d55e29c31.png)
(3)数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e36bff57bcfa86432b340e25e51d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aacf3a2d9067b05db0f9dcd2f79cae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5941ee3deb659a14f4e69744b6c1fa1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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6 . 对于
个实数构成的集合
,记
.
已知由
个正整数构成的集合
(
)满足:对于任意不大于
的正整数
,均存在集合
的一个子集,使得该子集的所有元素之和等于
.
(1)试求
,
的值;
(2)求证:“
成等差数列”的充要条件是“
”;
(3)若
,求证:
的最小值为
;并求
取最小值时,
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c4d0c7c0168f789264c0331e6e4a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5b9611e7c8658f96c9323ada6b69bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652b1ba1a05e8cfc29cfb4b2c009d1d1.png)
已知由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e895d0fd41b86910f8b3948c23108c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282f374bf5ef53effa71c745f8d4cde0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340670e6a6a7d9ef889c3c4c56ce6837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)试求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b42791b77924729f7e31712177b26af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb5ca241bb7c313ef0366d3ddba93bc.png)
(2)求证:“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e64d9d9cf9b4fa07a1b685d41bce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055a0a67f653ff49f037255d74c26c82.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bd7ad67c3cfa996577f4b9985d8782.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79c562343bd2362a979662d3865020c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfccafa83afe5ee21eab6ef2b2c8852.png)
您最近一年使用:0次
名校
7 . 设数列
满足
,其中
,且
,
为常数.
(1)若
是等差数列,且公差
,求
的值;
(2)若
,且存在
,使得
对任意的
都成立,求
的最小值;
(3)若
,且数列
不是常数列,如果存在正整数
,使得
对任意的
均成立. 求所有满足条件的数列
中
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4c63e894402368c2d3ccc41fb53205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bc5735838e43b7a229e8f45c9bfffb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac69e6db1df13ed64756b4f391ae9fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812be9806122241c476ba1db516c4823.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfc23f793ac06643cfc07e01eb205aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7448e65bda478cce0c6092e2c9eff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1a89ad1646a6d4fcdcf1bc84414201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78fbecca12ee62538020483fd55a2109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b2b94cbf8f1acc77ed2618d9ba5756a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2018-01-18更新
|
715次组卷
|
7卷引用:南京市、盐城市2018届高三年级第一次模拟考试数学(理)试题
南京市、盐城市2018届高三年级第一次模拟考试数学(理)试题(已下线)2018年高考二轮复习测试专项【苏教版】专题六 不等式(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第五关 以子数列或生成数列为背景的解答题上海市格致中学2018-2019学年高三下学期3月月考数学试题2020届江苏省南通市如东县栟茶高级中学高三上学期第三次月考数学试题上海市七宝中学2022届高三冲刺模拟卷二数学试题江苏省南京市六校2024届高三下学期期初联合调研数学试题
名校
8 . 已知数列
满足
,
,其中
,
,
为非零常数.
(1)若
,
,求证:
为等比数列,并求数列
的通项公式;
(2)若数列
是公差不等于零的等差数列.
①求实数
,
的值;
②数列
的前
项和
构成数列
,从
中取不同的四项按从小到大排列组成四项子数列.试问:是否存在首项为
的四项子数列,使得该子数列中的所有项之和恰好为2017?若存在,求出所有满足条件的四项子数列;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03f5a14384539bd77cfcab00c96fdeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfec4233214c3a729c843dee0d186db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3d2b68b6f7b9fdcbee1ada739cfbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1413bc2c9162794f2dde9193684696e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
②数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0519af3f19dde038fab2e68b5e2a5387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0519af3f19dde038fab2e68b5e2a5387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
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2017-05-12更新
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3卷引用:江苏省苏锡常镇四市2017届高三教学情况调研(二) (5月) 数学试题
江苏省苏锡常镇四市2017届高三教学情况调研(二) (5月) 数学试题江苏省盐城中学2018届高三上学期期末考试数学试题2(已下线)《2018届优等生百日闯关系列》【江苏版】专题二 第五关 以子数列或生成数列为背景的解答题