1 . 已知数列
的前n项和为
,且满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234605545a58197b26d52799abbb17b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fbdd2e3efbef1ff014df55b242eced.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 已知定义在
上的函数
满足
,对
,
,有
,则
( )
![](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/51eb2613dda00677d447c986cac505bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6593a700bf3e89107556454666b787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cccdff49c3efe6e7a7dbbf69db9319.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb5f18faea51250286332ed24da7630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffbac68c2248c802622d3e5974e46cd8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-15更新
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6卷引用:河北省衡水中学2023届高三第四次综合素养测评数学试题
河北省衡水中学2023届高三第四次综合素养测评数学试题安徽省合肥市庐阳高级中学2023届高三下学期5月模拟考试数学试题山东省潍坊市2022-2023学年高三上学期期末数学试题(已下线)专题04 数列(5)(已下线)压轴小题3 抽象函数问题(压轴小题)黑龙江省大庆外国语学校2023-2024学年高二下学期第二次教学质量检测数学试卷
名校
3 . 已知数列
、
,
,
,
其中
为不大于x的最大整数.若
,
,
,有且仅有4个不同的
,使得
,则m一共有( )个不同的取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/019c53434e7e99578cfc7174987d3b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d97c811cf79f381830e111d87bdcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f653cd06ba0c1e905b0aed6802a35847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a9a3c4fa4dd97cf873eb201cf7516b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9b0cd462313bb054388ab943a1fcfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc466f4022d38bf434544641fae2b51c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20076d3ff208d195194ad14056622ec8.png)
A.120 | B.126 | C.210 | D.252 |
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4 . 数列
满足
,
,且其前
项和为
.若
,则正整数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5758205964df3509a402c4c24f82853e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18fe67f164474f5759024906187f8679.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/9aa11c6c25230b87eb6d7e6eea80852f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.99 | B.103 | C.107 | D.198 |
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13卷引用:2020届河北省衡水中学高三高考考前密卷(一)数学(理)试题
2020届河北省衡水中学高三高考考前密卷(一)数学(理)试题河北省正定中学(实验中学)2019-2020学年高三下学期第三次阶段质量检测数学(理)试题浙江省宁波市镇海中学2023届高三下学期4月统一测试数学试题2020届福建省龙岩市高三上学期期末教学质量检查数学(文)试题(已下线)专题06 等比数列-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题06 等比数列-2020年高考数学(文)母题题源解密(全国Ⅱ专版)人教A版(2019) 选修第二册 突围者 第四章 专项拓展训练1 数列的通项公式的求解(已下线)重难点01 数列-2022年高考数学【热点·重点·难点】专练(新高考专用)人教B版(2019) 选修第三册 一举夺魁 第五章 5.3.2 等比数列的前n项和(已下线)专题26 数列的通项公式-4湘教版(2019) 选修第一册 突围者 第1章 专项拓展训练1 数列的通项公式的求解方法(已下线)第01讲 数列的概念与简单表示法(练)(已下线)第04讲 数列的通项公式(十六大题型)(讲义)-3
名校
解题方法
5 . 已知正项数列
的前n项和为
满足:
若
记
表示不超过m的最大整数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b708c8dcb2d66eb2ce0b3718a9cd924a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d69b0b71fb74694fda67ee126bc9d036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4203177e0501f89f0d65f9a4940145e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446a172f7d2c546f0a269fdbebcc7d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb8beaa4749d51b9b90a4fed019b4f0.png)
A.17 | B.18 | C.19 | D.20 |
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2020-06-23更新
|
560次组卷
|
3卷引用:2020届河北省衡水市枣强中学高三下学期3月模拟2数学(理)试题
解题方法
6 . 如图,平面四边形
中,点D为动点,
的面积是
面积的3倍,数列
满足
,
,当
时,恒有
,则数列
的前6项和为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/cc6dae1c-eadf-4227-b70e-2c0bb808514a.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.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/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e598d5b321f1d608861d6c681d23bdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/cc6dae1c-eadf-4227-b70e-2c0bb808514a.png?resizew=160)
A.2020 | B.1818 | C.911 | D.912 |
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7 . 已知数列
满足:
,
.则下列说法正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1381f0937c6052ce088e0eaee7df4880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7df5ae3993264f69d6cf3ae02411064.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 若
为
的各位数字之和,如:
,
,则
;记
,
,
,…,
,
,则
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee58b7cf0449b1e437b5b0db3dd5132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee0e161c98bbc04299df0661ab24434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a76beb048182bf1257db4301f5659741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6f64f96fc7031a474bf7d436bdac01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e092d0b6b216c67ad98e558504cb2753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8502b8308c45d8ed61894059a8bffa18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00d7b1b5ab3dac402d6dab3ec55bdeba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ba2605236afc5f137664bb4f9938f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b08c58baacec3cd0c0a06e267fa9ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0812e6728f464221cf6adc42c7c778.png)
A.2 | B.8 | C.5 | D.11 |
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名校
9 . 秦九韶是我国南宋时期的数学家,普州(现四川省安岳县)人,他在所著的《数书九章》中提出的多项式求值的秦九韶算法,至今仍是比较先进的算法.如图的程序框图给出了利用秦九韶算法求某多项式值的一个实例,若输入
的值为2,则输出的
值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/e7e3481e-d676-422d-990a-eb3b1b2f75ff.png?resizew=292)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc13a607ac0c7f76d252d7cb1bb040fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/e7e3481e-d676-422d-990a-eb3b1b2f75ff.png?resizew=292)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-01-17更新
|
1204次组卷
|
7卷引用:河北省衡水市衡水中学2019届高三下学期六调考试(文)数学试题
河北省衡水市衡水中学2019届高三下学期六调考试(文)数学试题(已下线)【全国百强校】河北省衡水中学2019届高三下学期六调考试数学(文)试题2017届陕西省榆林市高三第二次模拟测试数学(理)试题(已下线)2020届高三12月第01期(考点11)(理科)-《新题速递·数学》(已下线)2020届高三12月第01期(考点11)(文科)-《新题速递·数学》(已下线)文科数学-2020年高考押题预测卷02(新课标Ⅱ卷)《2020年高考押题预测卷》(已下线)理科数学-2020年高考押题预测卷02(新课标Ⅱ卷)《2020年高考押题预测卷》
10 . 已知数列
的前
项和为
,且
,若
,则
取最小值时
的值为
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d15f173e096ae65031fc3143381a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686902328cb3b32a5954fb0e52ad1c18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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