解题方法
1 . 已知数列
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7930aa506a6e6a94ceba89591da6e2c2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知数列
的前n项和为
,且
,
,则下列结论正确的是( )
![](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/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/535cd545d08eb517dfcf9e26d65223e4.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2024-03-21更新
|
1159次组卷
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5卷引用:广东省广州市执信中学2023-2024学年高二下学期期中考试数学试题
3 . 已知数列
各项均为负数,其前
项和
满足
,则( )
![](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/571b530006e550049ad5fe56b804d27b.png)
A.数列![]() ![]() ![]() | B.数列![]() |
C.数列![]() | D.数列![]() ![]() |
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2024-02-23更新
|
164次组卷
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2卷引用:广西钦州市2023-2024学年高二下学期期中考试数学试卷
4 . 已知
是数列
的前
项和,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/470bbf879bff1a2bf4ea35746ff50ab8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-11-29更新
|
639次组卷
|
3卷引用:河南省南阳市2023-2024学年高三上学期期中数学试题
5 . 已知数列
满足
,设
,记
的前
项和为
,
的前
项和为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277bcc060722e50a2f8b2a3a99921e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c1c74a029faca849c9ec41114003b2.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/8050391385b496e9c059201e4f12600a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 设数列
的前n项和为
,若
,则下列结论正确的是( )
![](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/587851722d4d141d02af681e31d72c4d.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2023-11-19更新
|
665次组卷
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3卷引用:山东省泰安市2023-2024学年高三上学期11月期中考试数学试题
7 . 在数列
中,
.则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3593fbede735c40114259b998f9e5a8f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-11-15更新
|
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3卷引用:福建省厦门第一中学2024届高三上学期期中考试数学试题
名校
解题方法
8 . 已知数列
满足
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1476572e1342cc6491eade63c70819ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() |
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2023-11-11更新
|
643次组卷
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3卷引用:江苏省盐城市2023-2024学年高三上学期期中数学试题
9 . 已知数列
,
,
,
,则下列说法正确的是( )
![](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/e98fd571f61de05068600bcd487db625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
A.![]() | B.数列![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 某企业2021年年初有资金5千万元,由于引进了先进生产设备,资金年平均增长率可达到50%.每年年底扣除下一年的消费基金1.5千万元后,剩余资金投入再生产.设从2021年的年底起,每年年底企业扣除消费基金后的剩余资金依次为
,
,
…则下列说法正确的是( )(
,
.)
![](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/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282724a3b2b45f1966a91389fdcedfcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87d922f294f2696c2b12d2a7d2f8b0.png)
A.![]() |
B.![]() |
C.![]() |
D.至少到2026年的年底,企业的剩余资金会超过21千万元 |
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