名校
1 . 已知
的内角
的对边分别为
.
(1)若
,求
;
(2)若
,求
的周长的范围.
![](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)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ed3c6e14c8ec54f63f46211f242dd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45235238b25a580dd95c3631254fe065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2019-12-03更新
|
737次组卷
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5卷引用:云南省大理白族自治州2019-2020学年高三上学期11月月考数学(文)试题
2 . 已知
,椭圆
的离心率为
,直线
与
交于
两点,
长度的最大值为
.
(1)求
的方程;
(2)直线
与
轴的交点为
,当直线
变化(
不与
轴重合)时,若
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f4ec943ad1319d9df9ead145195817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2847470595380b4386577ee3094c3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 已知函数
在
上为增函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bb5c2ffd316dc5114e60bc9bb6f8c9.png)
,(其中
).
(1)求
的值;
(2)设函数
,若
在
上有两个极值点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61df5397b6801c792bde959d706b244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bb5c2ffd316dc5114e60bc9bb6f8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e573138b5a0044355b2aa6db531851f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 某几何体的三视图如图所示(单位相同),记该几何体的体积为
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/f2a07f4e-e8da-4ba3-a537-044667723f07.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad83973d1361b2928c7e783ffd073b75.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/f2a07f4e-e8da-4ba3-a537-044667723f07.png?resizew=192)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-12-03更新
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499次组卷
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3卷引用:云南省大理白族自治州2019-2020学年高三上学期11月月考数学(文)试题
名校
5 .
是奇函数,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aba5320f9b28334d4343fad25800734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
A.2 | B.1 | C.-2 | D.-1 |
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2019-11-23更新
|
476次组卷
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4卷引用:云南省大理市下关第一中学2019-2020学年高二上学期期末考试数学试题
名校
6 . 已知集合
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea04072f140842c4130bb6be08f615a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2e98050e5a28045db55ecd9331bdf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-11-14更新
|
397次组卷
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4卷引用:云南省大理市下关第一中学2019-2020学年高二上学期期末考试数学试题
名校
7 . 三人参加篮球投篮比赛,规定每人只能投一次.假设甲投进的概率是
,乙、丙两人同时投进的概率是
,甲、丙两人同时投不进的概率是
,且三人各自能否投进相互独立.
(1)求乙、丙两人各自投进的概率;
(2)设
表示三人中最终投进的人数,求
的分布列和期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f5509bf3a18d6cef73c8c43eb982ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
(1)求乙、丙两人各自投进的概率;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
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2019-10-29更新
|
718次组卷
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4卷引用:云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(理)试题
名校
8 . 已知圆
:
和点
,若圆
上存在两点
使得
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b169005a471f6a39d3fa22dd7353fc66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec35d92923d60378e5e2f365b69a0e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb398137779190b35492d9f06d5fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d8abc12096bc7ae617b30eeb8f9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-10-29更新
|
629次组卷
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4卷引用:云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(理)试题
云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(理)试题黑龙江省大庆市大庆中学2019-2020学年高二上学期期中数学(理)试题(已下线)专题9.4 直线与圆、圆与圆的位置关系(练)-浙江版《2020年高考一轮复习讲练测》(已下线)专题9.2 直线与圆的位置关系(精练)-2021年新高考数学一轮复习学与练
名校
9 . 命题
:“
是
的充分不必要条件”,命题
:“
是
的充分不必要条件”,下列为真命题的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c1fc049a87888752174ddea4187c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c95fa7f61564978c8e26616bc14449e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4502151fcc89f12547cb514860b7985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753bc7b46730ab08df9ee4488ce34986.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-10-28更新
|
415次组卷
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4卷引用:云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(文)试题
云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(文)试题云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(理)试题安徽省合肥市肥东县第二中学2022届高三下学期一模文科数学试题(已下线)2020年1月5日《每日一题》必修5+选修2-1理数-每周一测
名校
10 . 已知
,
,
,则
的大小关系是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71daff69ef88da6762adf60b9d88a41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa70c85c8d7fd707c49c1094fdcbc38d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807083c89d7d4d3f331b124dc2bedeb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ace74bfb716753490ebe0e740ff5baa.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2019-10-28更新
|
363次组卷
|
3卷引用:云南省大理市2019-2020学年高三毕业生复习统一检测卷数学(文)试题