解题方法
1 . 在前
项和为
的正项等比数列
中,设公比为
满足
,
,则( )
![](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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34e44f448cf8c8ad28fd02a04581ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d38db3295e38e6920f309bb7a3c1cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a7307fe643ac2bbef8bdab15ce4187.png)
A.![]() | B.![]() |
C.![]() | D.数列![]() ![]() |
您最近一年使用:0次
2025高三·全国·专题练习
2 . 等差数列
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/6cc1ec50ff0c75ebb3d136144ddc8d23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259b2e755105c0ee479eabf7265a76a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7999465d0e871febde66296a0cbf058c.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
2025高三·全国·专题练习
3 . 若实数
满足约束条件
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2a3bb3bd1bf87f61f17b7c22c6e282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c933f75333c29fe87468c5ab038edb79.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知b是
的等差中项,直线
与圆
交于
两点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cda097a4e7c41100e573d8304ee066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f6e1f67dc15c3cf135a78af95c70fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c99fd44ea14ac1cf7707062a5a6debd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.2 | B.3 | C.4 | D.![]() |
您最近一年使用:0次
5 . 在
中内角
所对边分别为
,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe7a93172d308a58200e3c722fe1072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280e3d69e0c10d6a9ba6d4227b3f3d7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe6e6b495c56a3618936dc96b91bf43.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知
,若
成立,则实数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3dca67c094911c3bbb74fac10ddc5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.2 | B.3 | C.4 | D.5 |
您最近一年使用:0次
2024·江苏连云港·模拟预测
名校
解题方法
7 . 在
中,角A,B,C的对边分别为a,b,c,若
,
,则边b的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ecb5ff91d6bcc5e21ae955e10ac4ad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知数列
是等差数列,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/805512aa00961ecbfd2b8274df960c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a1c599754f0d16a2dcde280b037511.png)
A.4 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
今日更新
|
149次组卷
|
2卷引用:山西省运城市康杰中学2023-2024学年高三第十九次大型考试数学仿真训练试题
名校
解题方法
9 . 在
中,角A,B,C所对的边分别为a,b,c.若
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e8370a3c1802256270059fd6f4b207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23511ccf4ac3f865d3f3a830dc55a5da.png)
A.![]() | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
昨日更新
|
587次组卷
|
5卷引用:河南师范大学附属中学2024届高三下学期最后一卷数学试题
河南师范大学附属中学2024届高三下学期最后一卷数学试题江苏省泰州市2024届高三下学期四模数学试题(已下线)解三角形-综合测试卷B卷(已下线)核心考点3 解三角形与实际应用 A基础卷 (高一期末考试必考的10大核心考点) (已下线)【高一模块一】难度7 小题强化限时晋级练 (较难1)
2024高三下·全国·专题练习
解题方法
10 . 若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677724afd5918ede1ca5cff893c5dfd0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次