名校
1 . 已知实数
,
满足
,则( )
![](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/fb3ea4d1fcae2e9b5573a2d1e584b0dc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-04-03更新
|
367次组卷
|
3卷引用:2020届四川省乐山一中高三下学期模拟数学理科试题
2 . 在
中,内角
,
,
的对边分别为
,
,
,且
.
(1)求
的大小;
(2)若
,
,求
的面积.
![](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/11d426578a6094df3fb80395f8c1ca7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39900a2d790732077ffb571427a134fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/426701788272edfbd632d53cfb1f7e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
3 . 已知点
满足
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91f449464fa007f536868ac4aeb144c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
您最近一年使用:0次
解题方法
4 . 设
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcee494983a516ed17818aee254a2fc1.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96a5ff0da4aa14133fc6e62d0a1abced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dbf3a359e11787e8aff1a12d67646a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 我市高中数学研究会准备从会员中选拔
名男生,
名女生组成一个小组去参加数学文化知识竞赛,若
满足约束条件
,则该小组最多选拔学生( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/affebea6ab26780fc7489cf28301709c.png)
A.21名 | B.16名 | C.13名 | D.11名 |
您最近一年使用:0次
2020-03-12更新
|
99次组卷
|
4卷引用:2020届四川省乐山市高三第一次调查研究考试文数试题
解题方法
7 . 如图,在单位圆中,
为等边三角形,
、
分别在单位圆的第一、二象限内运动,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eef20269a8559eee8165db306c76cb5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a761b5ba3e4cec458da0755b445c419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eef20269a8559eee8165db306c76cb5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/9af3e309-baac-4f44-8be1-f860e4cd5378.png?resizew=155)
您最近一年使用:0次
8 . 在
中,内角
对应的边分别为
,且满足
.
(1)求
;
(2)若
,
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/ac229ff3b06f7fe274a40914e18a0266.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328f4d3a80a80e08c3fd6544eadcb98f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
您最近一年使用:0次
9 . 已知
是递增的等差数列,且满足
.
(1)求数列
的通项公式;
(2)若
,求数列
的前
项和
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046bb7ae28490d8a90f94cc3b827d814.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5990b0e361272e9df61084f85dbfec20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2020-03-04更新
|
253次组卷
|
2卷引用:2020届四川省乐山市高三第一次调查研究考试文数试题
名校
解题方法
10 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9921de84514e9b4f77068eb1911ca0ee.png)
您最近一年使用:0次
2020-03-04更新
|
170次组卷
|
2卷引用:四川省乐山市金口河区延风中学2023-2024学年高二上学期9月月考数学试题