名校
1 . 已知等差数列
满足
,
,设数列
的前
项和为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4142581c30f265da7d59df9d536a24ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bad8c96a2cc74f5178067ec392234fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91adba8efbf964e9e35547b0fd0ea36.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/dcc031a5f54835432e4f566f3c50bbc3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-18更新
|
583次组卷
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2卷引用:2020届江西省吉安市高三上学期期末数学(理)试题
名校
2 . 设数列
的通项公式为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4ae73a6f9c290183bed81c5b622e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567a7faf486cb3fea99b8318e3da2736.png)
A.153 | B.210 | C.135 | D.120 |
您最近一年使用:0次
2019-09-20更新
|
1273次组卷
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3卷引用:湖南省娄底市新化县五校联盟2022-2023学年高二上学期期末联考数学试题
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3 . 等差数列![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2b043b989216035c6fd985f1dd6a3f.png)
,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717af32840d509a2ee2dee2e24035e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eb2d61f0a8bf0cedce989465d3a92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3df9245d46135c13ed848cd2899ba3f.png)
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2b043b989216035c6fd985f1dd6a3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a04748adcdb0f84e679230e3e3c5bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717af32840d509a2ee2dee2e24035e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eb2d61f0a8bf0cedce989465d3a92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3df9245d46135c13ed848cd2899ba3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7bb393198d13c9ee8966f42ad07941.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-06-26更新
|
1779次组卷
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7卷引用:上海市川沙中学2018-2019学年高一第二学期期末数学试题
上海市川沙中学2018-2019学年高一第二学期期末数学试题(已下线)第四章 数列单元测试(提升卷)-2020-2021学年高二数学新教材单元双测卷(人教A版2019选择性必修第二册)上海市市西中学2022届高三上学期12月月考数学试题甘肃省临夏、甘南两地2022-2023学年高二上学期期中联考文科数学试题(已下线)重难点突破02 函数的综合应用(九大题型)(已下线)专题 11等差数列性质及应用归类(3)(已下线)专题06 函数与导数常见经典压轴小题归类(26大核心考点)(讲义)-2
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解题方法
4 . 已知
的前
项和
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644910a88bb44405925eff485c9ca312.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/2df1215bdb16527a2ba36f5d1704b355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/644910a88bb44405925eff485c9ca312.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-09-25更新
|
3339次组卷
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3卷引用:吉林省白城市第一中学2017-2018学年高一下学期期末考试数学试题
5 . 在数列
中,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa635d4ae41a0f7861d305b55bc618f.png)
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329785900390130a04a57d0b55aaa569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f86a8746a583f411fb73c6334eb27b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa635d4ae41a0f7861d305b55bc618f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5e07bf129b073f37b553fbca100172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6fc41c02b201e6096e8904b022db3d8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-10-19更新
|
1079次组卷
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3卷引用:【全国百强校】黑龙江省牡丹江市第一高级中学2019届高三上学期期末考试数学(文)试题
【全国百强校】黑龙江省牡丹江市第一高级中学2019届高三上学期期末考试数学(文)试题云南省昆明一中2018届高三第二次月考文科数学试题(已下线)4.2.2等差数列的前n项和公式(第2课时)(分层作业)-【上好课】高二数学同步备课系列(人教A版2019选择性必修第二册)
解题方法
6 . 已知
是首项为32的等比数列,
是其前
项和,且
,则数列
前10项和为( )
![](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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b4439516ce100f355fc203c2503110e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79a01631b941a560c5dbe143d5fdd45.png)
A.58 | B.56 | C.50 | D.45 |
您最近一年使用:0次
2016-12-03更新
|
1797次组卷
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2卷引用:2014-2015学年山东省文登市高二上学期期末考试理科数学试卷