名校
1 . 已知数列
满足:
,
,
.若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e837bb2555b79c3374f6c509c8fba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1989d2fdc0158e468791c4a8238138.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484cf904cf32207b06c8335d936813c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
A.1 | B.2 | C.3 | D.2022 |
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2022-11-17更新
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6卷引用:新疆伊犁州奎屯市第一高级中学2023届高三上学期12月月考理科数学试题
新疆伊犁州奎屯市第一高级中学2023届高三上学期12月月考理科数学试题浙江省台州市2023届高三上学期11月第一次教学质量评估数学试题(已下线)数学(甲卷理科)(已下线)数学(甲卷文科)(已下线)专题6.1 等差数列及其前n项和【九大题型】(已下线)第02讲 4.2.1等差数列的概念(1)
名校
解题方法
2 . 已知数列
是等差数列,
,
.
(1)求数列
的通项公式;
(2)若
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6278d3cc0086c7aab6ac20712c7d0bd.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449f35002286a48a6524466e671d9314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2023-05-28更新
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6卷引用:新疆石河子市第一中学2022届高三12月月考数学(文)试题(A部 )
3 . 已知等差数列
满足
,
,数列
满足
,
.
(1)求
,
的通项公式;
(2)设
,求数列
的前
项和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110eecf4c154a2137d9277a618d3188e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b8e8b2b946d03706487dfd31ab6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385275d29d8c8a7841eaeaa3dfab2cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77f4482112fd4fdb65976ac93c4978e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2a5f8ec179b72b201c3c0a670612a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-11-30更新
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5卷引用:新疆兵团地州学校2023届高三一轮期中调研考试数学(文)试题
新疆兵团地州学校2023届高三一轮期中调研考试数学(文)试题新疆生产建设兵团地州学校2023届高三上学期一轮期中调研考试数学(理)试题重庆市綦江区等5地2023届高三上学期12月月考数学试题陕西省西安市阎良区关山中学2022-2023学年高二上学期第三次质量检测数学试题(已下线)山东省青岛第二中学2022-2023学年高三上学期1月期末测试数学试题变式题17-22
名校
4 . 已知数列
是等差数列
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb725e85e159c9bbc87a6181438f616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7020c7abdf660ee1f187876d154fc34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
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6卷引用:新疆博乐市高级中学2021-2022学年高三下学期数学联考试题(文)
名校
解题方法
5 . 已知数列
是公差不为零的等差数列,
,且
,
,
成等比数列.
(1)求
的通项公式;
(2)设
,求数列
的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd807f60189a561ac93ed025445c787e.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/5da4cd81500bdb43118150dbdb1541e6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216876de04325fd250c38c485cbc34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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2022-07-07更新
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14卷引用:新疆伊犁州霍尔果斯市苏港中学2023届高三上学期第一次月考数学(文)试题
新疆伊犁州霍尔果斯市苏港中学2023届高三上学期第一次月考数学(文)试题(已下线)专题27 数列求和-2河南省北大公学禹州国际学校2022-2023学年高三上学期第一次月考理科数学试题河南省洛阳市创新发展联盟2022-2023学年高三摸底考试文科数学试题陕西省商洛市2021-2022学年高二下学期期末文科数学试题广西贵港市2021-2022学年高二下学期期末教学质量监测数学(文)试题(已下线)4.3.1 等比数列的概念(同步练习)-【一堂好课】2022-2023学年高二数学同步名师重点课堂(人教A版2019选择性必修第二册)广西玉林市2022-2023学年高二下学期期中检测数学试题(已下线)第7讲 数列求和9种常见题型总结 (2)陕西省渭南市大荔县2022-2023学年高二下学期期末理科数学试题陕西省渭南市大荔县2022-2023学年高二下学期期末文科数学试题安徽省阜阳汇文中学2022-2023学年高二下学期第三次月考数学试题陕西省商洛市洛南中学2022-2023学年高二下学期6月月考文科数学试题天津市南开区2023-2024学年高二上学期阶段性质量监测(二)数学试题
2022高三·全国·专题练习
名校
解题方法
6 . 已知数列
的前
项和
且
,
,则
等于( )
![](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/e03a4233695acac9bbab8d6a0222d164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7c9b46f350bfd7855844a29b77571b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d09b9e9ba2651f7633bde9b932eb4e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194592cb77de8a597d5d64e1c85c3249.png)
A.13 | B.49 | C.35 | D.63 |
您最近一年使用:0次
2022-09-28更新
|
884次组卷
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3卷引用:新疆喀什第二中学2023届高三上学期网上月考(11月)数学试题
7 . 已知等差数列
的前
项和为
.
(1)求
及
;
(2)令
,求证:数列
的前
项和
.
![](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/09315cbd92484ce4edaff6bbe776e6fd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991c9c19c50f5879e81681affca5c26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0791fc0d57d2e1b240c01d4c4901dadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f67984a336e63b128a8ccffaa6b0f8.png)
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2022-09-14更新
|
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3卷引用:新疆新和县实验中学2023届高三上学期第一次月考数学(理)试题
2022·新疆·三模
8 . 设
为等差数列
的前n项和,已知
,
,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/ced4e381e8c3336848b8c436dbc584f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f9c10b2cf34143a490990cd968920d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dbd9ff686703cad03aa383e5fec21.png)
A.5 | B.6 | C.7 | D.8 |
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5卷引用:新疆维吾尔自治区2022届高三年级第三诊断性测试数学(理)试题
(已下线)新疆维吾尔自治区2022届高三年级第三诊断性测试数学(理)试题新疆伊犁州伊宁县第三中学2023届高三上学期第三次诊断性理科数学试题(已下线)第02讲 等差数列及其前n项和 (高频考点—精练)(已下线)第37练 等差数列甘肃省天水市田家炳中学2022-2023学年高二上学期10月月考数学试题
解题方法
9 . 已知
为单调递减的等差数列
的前n项和,若数列
前n项和
,则下列结论中正确的有______ .(填写序号)
①
;②
;③
;④
.
![](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/ba57c83d526ac308d1461e80fcca9f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9854d8e0cdc18b0acc44a5786dbff7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58365ff21052f2f978c11844b002b933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c179caa067a39909537e4454e69943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769e691cda5afd33e75ecd2ef21d3e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6df0c55b4ce6c687a05d5dadea34ab.png)
您最近一年使用:0次
10 . 设等差数列
的前n项和为
,若
,
,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/2693734765399876e9e93cdb110231c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d84ee688592caf22e84910db79e7d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4e70b360f988fdbd92300ab22c4613.png)
A.75 | B.78 | C.81 | D.84 |
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