名校
解题方法
1 . 已知等比数列
满足
,
,则数列
前8项的和
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daef9397427567938d079e9dbd50098c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912b1346d72d6e2ef051cdacdaded217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9ad4e59d7081cf19021423a984bc29.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 如图,
内接于
,若
,
,
,则
的半径是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bc235df1d3cf1b65050cd1907590cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/229cba9717ed19f430ba898904feeae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8221601c7bd5c51fd520615581fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
3 . 已知
中,
,
,若
最短边的长度为
,则最长边的长度是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e4819a972541ad343589e6eb7f9986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324b71a7f5477eb3a32cc31ae3f0a87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
A.3 | B.8 | C.![]() | D.![]() |
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2024-06-09更新
|
109次组卷
|
2卷引用:吉林省四平市第一高级中学2023-2024学年高二上学期期初验收考试数学试题
名校
4 . 已知
三个内角
,
,
的对边分别为
,
,
,则下列说法正确的有( )
①若
是锐角三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②若
,则
是等腰三角形
③若
,则
是等腰三角形
④若
是等边三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a641da1c70d0ad481082af87e98ccbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b48895daa87c296d961bfd0d4fd386.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e02e6946143207c276f7430942c1b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647598d9c27e8bff03fe47d84998fc73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a641da1c70d0ad481082af87e98ccbf.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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名校
解题方法
5 . 设等比数列
的前
项和为
,若
,
,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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0547c15cfcf562d4b517f79401269e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e4487468ab2823d6dbf7f0ebd2eb38.png)
A.![]() | B.8或![]() | C.8或9 | D.![]() ![]() |
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名校
6 . 天干地支纪年法源于中国,中国自古便有十天干与十二地支,十天干即甲、乙、丙、丁、戊、己、庚、辛、壬、癸;十二地支即子、丑、寅、卯、辰、巳、午、未、申、酉、戌,亥.天干地支纪年法是按顺序以一个天干和一个地支相配,排列起来,天干在前,地支在后,天干由“甲”起,地支由“子”起,例如,第一年为“甲子”,第二年为“乙丑”,第三年为“丙寅”…,以此类推,排列到“癸酉”后,天干回到“甲”重新开始,即“甲戌”,“乙亥”,然后地支回到“子”重新开始,即“丙子”…,以此类推.2024年是甲辰年,高斯出生于1777年,该年是( )
A.丁酉年 | B.丁戌年 | C.戊酉年 | D.戊戌年 |
您最近一年使用:0次
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7 .
中,以下与“
”不等价的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知等比数列
的前三项和为13,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e2ec4bc6f5648fd14a35adfc3a6f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ebce85ea9bc18815ef8887057030a63.png)
A.81 | B.243 | C.27 | D.729 |
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名校
解题方法
9 . 不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be7eac0dff8d7a82ff2425f3157d3d42.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 已知数列
的各项均为正数,
满足
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f329b217e1051b23f0d61023cdc6e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d048849a2c08bcf87d80ab7c98a3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2849e8da76332a6a0f4e3d6d68bf3b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-04-26更新
|
342次组卷
|
10卷引用:浙江省温州市2023届高三下学期5月第三次适应性考试(三模)数学试题
浙江省温州市2023届高三下学期5月第三次适应性考试(三模)数学试题江苏省无锡市辅仁高级中学2023届高三下学期高考前适应性练习数学试题江西省南昌市新建区第二中学2024届高三上学期8月开学学业水平检测数学试题江苏省南京市金陵中学2023-2024学年高三上学期10月检测数学试题湖北省黄石市部分学校2023-2024学年高二上学期12月阶段性训练数学试题(已下线)专题10 数列小题(已下线)专题6.1 等差数列及其前n项和【九大题型】(已下线)FHgkyldyjsx19(已下线)广东省深圳中学2024届高三下学期二轮三阶段测数学试题广东省广雅中学2024届高三下学期高考考前适应性考试数学试题