2024·全国·模拟预测
解题方法
1 . 已知等比数列
的前
项和为
,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/e4cd67be7c5ba6a4548460699d6352fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a3746e0fe68134eeacd0471b8550086.png)
A.2 | B.4 | C.8 | D.13 |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
2 . 已知等差数列
的前
项和为
,
,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/5d940c9f3fb066055c1fc154e5126050.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/648953333cf2bdb57bea2adae71a987f.png)
A.12 | B.23 | C.24 | D.18 |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
3 . 已知公比为负数的等比数列
的前
项积为
,且
,记
的最大值为
,最小值为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93a9939c45b55de759b95d53c50d86d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b9d2c4d41f05b636ec2af4ff49285b.png)
A.4 | B.32 | C.16 | D.8 |
您最近一年使用:0次
2024·全国·模拟预测
4 . 已知数列
满足
,且
,若
表示不超过
的最大整数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e697094c581630ce5cb3ffa094a8e3a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45328bb68649397043e82724c1b654ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccff20d2a0c9102e39b8dc413d7081b8.png)
A.2016 | B.2017 | C.4032 | D.4034 |
您最近一年使用:0次
5 . 已知数列
满足
,数列
的前
项和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49168a4575d69757a45260083939e5d6.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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d44fd950bbd4675d1159c00da60809a.png)
A.1012 | B.1013 | C.2024 | D.2026 |
您最近一年使用:0次
2024·全国·模拟预测
6 . 已知数列
满足
,若
是递减数列,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ccc48e096de8a546f4fe96a9db30e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024·全国·模拟预测
7 . 已知数列
的前
项和为
.若
,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/b77ba02ee0f37faa88dc0020af861c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1f1b7e9e20d799ee3c06b89a0611c.png)
A.110 | B.115 | C.120 | D.125 |
您最近一年使用:0次
2024·全国·模拟预测
8 . 已知数列
的前
项和为
,
,若
对任意的
恒成立,则实数
的取值范围为( )
![](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/adef6d37e4dc94aebc02a74fdd2be507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9c1a2c76c50d8c1630c200feff05659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 设等差数列
的公差为
,则“
”是“
为递增数列”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abdf96d28023f6fe0f492e2bca2df8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8927e6db7dc997cc59ddb0ff5900c36.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-04-08更新
|
2844次组卷
|
7卷引用:北京市东城区2023-2024学年高三下学期综合练习(一)(一模)数学试题
解题方法
10 . 已知等比数列
单调递增,且
成等差数列,则当
取最小值时,集合
中的元素之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfdba0413974cd0f1e35ccf8658a568a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89553a0bc2f318a7a87a6a2f18d6600a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f819e601aa5dd52ec47272fb41702eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7748f4c3da1274c4b9ce4c6dff2d91fb.png)
A.36 | B.54 | C.61 | D.69 |
您最近一年使用:0次