1 . 设
,
,若不等式
的解集为{x|x>3或x<-2},则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/765f521fa075140051199a3e1908fa91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2a3a48a03ff4fa45892477873f61.png)
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2 . 某班有10名同学计划在暑假举行若干次聚会,要求每名同学至多参加三次聚会,并且任意两名同学至少在一次聚会中相遇.求最大的正整数
,使得无论如何安排符合上述要求的聚会,都一定存在某次聚会有至少
名同学参加.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 求最大的实数
,使得不等式
对任意正整数
以及任意实数
均成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2865bd92f42e2010f43ad17f5775fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f4e3d834034bc48715afbb8f70c8.png)
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4 . 如图,
是
的外接圆,
是弧
(不含
)上一点,
为弧
的中点.
为线段
上一点,过
作
的平行线交
于点
,过
作
的平行线交
于点
,过
作
的平行线交弧
于点
.已知
上的点
满足
被
平分.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb882b525043fb4602f598a9dfe5fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defa5b53043ae802bb1af7d14374406d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c648899641f3e3c6ed9edd5ed9d23389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5135b0b4f25d7f5e0077e4fa33216624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16729e909baa818afb431558a58011de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/29f939cb-fb8e-452b-a961-f963d2537196.png?resizew=172)
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5 . 给定素数
.称1,2,…,
的排列
为“好排列”,如果对
,2,…,
均有
,并且
是
的倍数.求“好排列”的个数除以
的余数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20dd7cdef44777d41d74d699ffdd746d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85bbd4a74fa01b02d4604bf44e361089.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/175f3b6bd24295b2c60359318eaa4c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e82c656aebb258b9b13459640a4ef99b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e839b03cd6ea4e9a2853344db2535a5.png)
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6 . 设数列
,
,2,…,7这里
表示不超过
的最大整数.若
,则正整数
有______ 种可能的取值情况.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecda33137d5e32f470be5ead72b8a85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1e55cb07aa8350755e0e4f54ca0fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
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7 . 设
为给定的正整数,
,
,…,
为满足对每个
都有
的一列实数,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7870c36161f465fc992534b5fc3777f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff01d50db01ac3d5f605ac915992ac9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0707998daa4067326b2068a2c9bf2d52.png)
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解题方法
8 . 设直角坐标平面上两个区域为
,
,记
与
的公共部分面积为
.当
时,则
的表达式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7b4d2af45f4af001a08d49d1161ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6d5db1f2427972e79de8f6eee18082.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/2709ca478fb15ea08e8aa55328eae8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23865ee52040331dee23621b4a15c244.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2709ca478fb15ea08e8aa55328eae8e6.png)
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名校
9 . 中国宋代的数学家秦九韶曾提出“三斜求积术”,即假设在平面内有一个三角形,边长分别为a,b,c,三角形的面积
可由公式
求得,其中
为三角形周长的一半,这个公式也被称为海伦——秦九韶公式,现有一个三角形的边长满足
,
,则此三角形面积的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684c13a2cea962fb204256ca433a4d58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de9e1619ef7c6970c9187553661a5a6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1ec9c5eaed4c211a040a2a33fb7c91.png)
A.![]() | B.8 | C.![]() | D.![]() |
您最近一年使用:0次
2022-04-10更新
|
563次组卷
|
15卷引用:浙江省温州市苍南县、龙港市2020-2021学年高一上学期“姜立夫杯”数学竞赛试题
浙江省温州市苍南县、龙港市2020-2021学年高一上学期“姜立夫杯”数学竞赛试题浙江省温州市瑞安中学2020-2021学年高一上学期10月月考数学试题【市级联考】山东省潍坊市2019届高三下学期高考模拟(一模)考试数学(文科)试题(已下线)专题7.3 基本不等式及其应用(练)【文】-《2020年高考一轮复习讲练测》(已下线)专题7.3 基本不等式及其应用(练)-江苏版《2020年高考一轮复习讲练测》(已下线)模块综合测试卷(B卷)-2020-2021学年高一数学单元测试定心卷(人教A版2019必修第一册)(已下线)专题03 与基本不等式相关的情景化试题 - 2021-2022学年高一数学新教材情境化新题(人教A版2019必修第一册) (已下线)期末押题测试卷(一)-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)福建省漳州市第一中学2021-2022学年高一上学期期中考试数学试题(已下线)专题17 秦九韶四川省绵阳市三台县三台中学校2022-2023学年高一下学期第一次检测数学试题(已下线)第五节 基本不等式【讲】(2)湖北省襄阳市宜城市第一中学2023-2024学年高一上学期9月月考数学试题江苏省南京市第二十九中学2023-2024学年高一上学期10月月考数学试题江苏省盐城市响水中学2023-2024学年高一上学期10月学情分析考试数学试题
10 . 设集合
,
,则集合
中的元素为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/591b58167eaf91b2a0e55a904d9ffad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/593441952b0f1050816ff2d8b050f05c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
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