名校
1 . 已知等比数列
的公比为
,且数列第11项的平方等于第6项,若存在正整数k使得
,则k的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce39da84b518bff25ca786b8409ab07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c90c771aab13415dc89e758e3b1677.png)
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2 . 已知抛物线的方程为
,
为坐标原点,
,
为抛物线上的点,若
为等边三角形,且面积为
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46200dd21a996ee2b0766fe2fac9efb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2017-12-25更新
|
2489次组卷
|
6卷引用:广东省广州外国语学校2016-2017学年高二下学期期末考试数学(理)试题
3 . 函数
,
在定义域上是单调函数,则
的取值范围为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66c27941de8095c9530ee00d1f07044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2017-12-22更新
|
1117次组卷
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3卷引用:广东省佛山市第一中学2017-2018学年高一上学期第二次段考(12月)数学试题
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4 . 如图,正方体
的棱长为 1,
为
的中点,
为线段
上的动点,过点A、P、Q的平面截该正方体所得的截面记为
.则下列命题正确的是__________ (写出所有正确命题的编号).
①当
时,
为四边形;②当
时,
为等腰梯形;③当
时,
为六边形;④当
时,
的面积为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094e639c2b31dc54b1b3e6456e77843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3007c6e197b2e62eca2e8c9d9dcd7361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab1e9b779926b906af6a08e772e6a62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a187819e6da774052a190637b9df8a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc527c4af2dd1d10eb06c185495d62e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb00a19477b29b325a5e334207f6b18.png)
![](https://img.xkw.com/dksih/QBM/2017/12/14/1838195340296192/1838314674831360/STEM/4c81203e25924132b66c292159546ca6.png?resizew=171)
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5 . 已知函数
若对于任意实数x,
与
的值至少有一个为正数,则实数m的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c367ec5473510ea146c7e1543fe21ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bd3d4555a07a93664b8e8a1df194a1.png)
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2017-12-05更新
|
820次组卷
|
2卷引用:广东省实验中学2017-2018学年高一上学期期中考试数学试题
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6 . 四棱锥
的底面
是边长为
的正方形,且
,若一个半径为
的球与此四棱锥所有面都相切,则该四棱锥的高是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8bc233a9902789a716fa0a31558dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
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2017-11-28更新
|
682次组卷
|
3卷引用:广东省执信中学2017-2018学年高二上学期期中考试数学(理)
7 . 将集合
中所有的数按照上小下大,左小右大的原则写成如下的三角形表:
![](https://img.xkw.com/dksih/QBM/2017/10/13/1794326742441984/1794381793705985/STEM/fcc2f7e4be6b4a5a9a938b65c8913cfe.png?resizew=346)
则该数表中,从小到大第50个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4839751c578dde672840b7d2aaf914f.png)
![](https://img.xkw.com/dksih/QBM/2017/10/13/1794326742441984/1794381793705985/STEM/fcc2f7e4be6b4a5a9a938b65c8913cfe.png?resizew=346)
则该数表中,从小到大第50个数为
您最近一年使用:0次
2017-10-13更新
|
958次组卷
|
4卷引用:广东省中山市第一中学2016-2017学年高二下学期第二次统测数学(理)试题
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解题方法
8 . 已知函数
是
上的偶函数,满足
,且当
时,
,令函数
,若
在区间
上有
个零点,分别记为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f118f5cbbedfd4a8cb423461d0aafa7.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb509f325dec223294f5fa74981970d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d540673cb5286eaa13a84e302e1a5270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a766abc183c7d2cca0f3e73230c88dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4430d542ab6e63baed2e527f538b47b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f118f5cbbedfd4a8cb423461d0aafa7.png)
您最近一年使用:0次
2017-09-10更新
|
943次组卷
|
3卷引用:广东省珠海市第二中学2018届高三10月月考数学(理)试题
名校
9 . 在棱长为1 的正方体
中,以A为球心半径为
的球面与正方体表面的交线长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
您最近一年使用:0次
2017-09-06更新
|
1233次组卷
|
3卷引用:广东省深圳市宝安中学2016-2017学年高一下学期期中考试数学(理)试题
广东省深圳市宝安中学2016-2017学年高一下学期期中考试数学(理)试题江苏省无锡市天一中学2021届高三下学期二模考前热身模拟数学试题(已下线)高一数学下学期期中精选50题(压轴版)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)
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解题方法
10 . 如图所示,
,圆
与
分别相切于点
,
,点
是圆
及其内部任意一点,且
,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb15541fa53381c9130217ccac69f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f43c92c82c37c934dda47f2e683f5d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
您最近一年使用:0次
2017-08-17更新
|
1395次组卷
|
8卷引用:广东省阳江市2016-2017学年高一下学期期末检测数学试题
广东省阳江市2016-2017学年高一下学期期末检测数学试题(已下线)黄金30题系列 高一年级数学江苏版 小题易丢分(已下线)二轮复习测试专项 【新课标版理科数学】专题三 三角函数与平面向量(已下线)二轮复习测试专项 【新课标版文科数学】专题三 三角函数与平面向量上海交通大学附属中学2022-2023学年高一下学期期末数学试题江苏省淮安市马坝高级中学2023-2024学年高一下学期第一次质量检测数学试卷(B卷)江苏省淮安市马坝高级中学2023-2024学年高一下学期第一次质量检测数学试卷(A卷)(已下线)8.3 向量的坐标表示-同步精品课堂(沪教版2020必修第二册)