名校
解题方法
1 . 已知非负实数
满足
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba96e16bcc3638214266c1b4b0ffc77.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
7日内更新
|
1288次组卷
|
2卷引用:浙江省温州市十校联合体2023-2024学年高二下学期期中联考数学试题
2 . 在
中,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbf0c111f42b96c67f587aeedb5639d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b903021571c1b57943a1a3274217654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知等差数列
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/f18bb265fde0ead55c8eef46aa2ee66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eab8f8926b996f9bee57d96067f5bac.png)
A.36 | B.48 | C.96 | D.24 |
您最近一年使用:0次
解题方法
4 . 在
中,内角
,
,
的对边分别为
,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9e67c8803ee2c6bdf9b127ee32cb48.png)
(1)若
,求
的值;
(2)若
,且
的面积为
,求
和
的值.
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9e67c8803ee2c6bdf9b127ee32cb48.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad61e85db7c78a2731d1b8e0b38fc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f2d4d1d2c16c54b2caef17840bfcb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8bbac0ebdc65c5d9e748e94f1da4dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99096bffafa03e667d5971b90d1532f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
解题方法
5 . 已知等差数列
,前
项和为
是方程
两根,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/ac2b54b21cadb153b5fd9cd226e92d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8034dddd265a186e29172623e3b9eadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd370c770843d3b51882cc6c45cb361.png)
A.2020 | B.2022 | C.2023 | D.2024 |
您最近一年使用:0次
2024-05-28更新
|
382次组卷
|
2卷引用:浙江省“七彩阳光”新高考研究联盟2023-2024学年高二下学期期中联考数学试题
解题方法
6 . 等差数列
满足
,公差为2,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a889e13ba8518fa34494ed1295078999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90750030105f99f7d133ada48b2e911f.png)
A.96 | B.90 | C.84 | D.78 |
您最近一年使用:0次
名校
解题方法
7 . 已知数列
的前
项和
,当
取最小值时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.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/8d4558d082c4423ceacf45a1c4c663ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4dd016fdf0e2f716421c8dd47911a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
名校
解题方法
8 . 关于
的不等式
的解集为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16df2f5108bad7e6e9e9ce69274aa07c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
名校
9 . 已知正项等差数列
的前
项和为
,则
的最大值为( )
![](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/95e83045e1e309928889f15849fdf566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef758f5a10f3c6b08208c907f943ae5c.png)
A.4 | B.8 | C.16 | D.32 |
您最近一年使用:0次
名校
解题方法
10 . 已知正数
满足
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3daf8dfeebea16408ca31073c5db533.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次