名校
1 . 点P在函数y=ex的图象上.若满足到直线y=x+a的距离为
的点P有且仅有3个,则实数a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
A.![]() | B.![]() | C.3 | D.4 |
您最近一年使用:0次
2020-11-03更新
|
2309次组卷
|
9卷引用:北京市昌平区2020届高三第二次统一练习(二模)数学试题
北京市昌平区2020届高三第二次统一练习(二模)数学试题北京市大兴区2023届高三下学期数学摸底检测试题黑龙江省大庆实验中学2021届高三上学期第二次月考数学(文)试题黑龙江省嫩江市高级中学2020-2021学年高三上学期12月月考数学(理)试题黑龙江省嫩江市高级中学2020-2021学年高三上学期12月月考数学(文)试题(已下线)2023高考考前突破选填专题(北京)(已下线)第02章 直线与圆的方程(B卷提高卷)-2020-2021学年高二数学选择性必修第一册同步单元AB卷(新教材人教A版)江西省景德镇一中2020-2021学年高二下学期期末数学(理)试题陕西省西安市西北大学附属中学2020-2021学年高二下学期4月月考理科数学试题
2 . 对非空数集
,
,定义
,记有限集
的元素个数为
.
(1)若
,
,求
,
,
;
(2)若
,
,
,当
最大时,求
中最大元素的最小值;
(3)若
,
,求
的最小值.
![](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/2e3537cbcff7cc15ff0cdf26de2a73b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b830a24447b3831005c9942fb263e1c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed0081de4e04574dd0884c4e6077fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e18306ebf275f54eb946ddb7c38397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4be9b536fcf7bbdb422184f74db9ed1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e803dee8996550a8b3fb641e437709a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d197338ab810f6c9d31a2b67e5f352ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560882860516a9207f47ec0156975bf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7987e3e0432dee47d40079d5577c2f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b449796bf5cff2580eb2609830f3cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbae4853231076a1c59a0d37eeaf7469.png)
您最近一年使用:0次
2020-11-02更新
|
950次组卷
|
6卷引用:北京市人大附中2021届高三年级10月数学月考试题
解题方法
3 . 对给定的正整数
,令
,
,
,
,
,
,2,3,
,
.对任意的
,
,
,
,
,
,
,
,定义
与
的距离
.设
是
的含有至少两个元素的子集,集合
,
,
中的最小值称为
的特征,记作
(A).
(Ⅰ)当
时,直接写出下述集合的特征:
,0,
,
,1,
,
,0,
,
,1,
,
,0,
,
,1,
,
,0,
,
,0,
,
,1,
,
,1,
.
(Ⅱ)当
时,设
且
(A)
,求
中元素个数的最大值;
(Ⅲ)当
时,设
且
(A)
,求证:
中的元素个数小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8608f691fb64f578cf3ee5af3cd8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e97569e91e9574c327bab94fbd9bb9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659ce142c5578c660dcadacb81b8d7c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45176df950dfe48b8ca7eac08ee349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c93fedde9bb8f927c986094275598b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7577c2f2038fd5478e71655277a4a853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c4974696608167ebc73d9081552d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7009fe80f51263ce2d10a09bdfea9ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07096af3b99fd1cb11c31f19a2c6408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6440421ef1201f1e2ad00f8bfb77964.png)
![](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/89b161ad2e118a142d9aafa2e39e30b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94e1862efa4931cbf76743033ad6f1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e235caa78f940a1d9c4d0e785d425d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096409e0b9a113e1e43801cf41b3d4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d0e49177363675f01a9a754a0a62cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533b594f63c4d48135aa0a02592b89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb900b1334149968e3a28a218ecbf7d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3b6a2131422a8c21784d06a21b3a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606b0d7a53aa72715af4bb9508320f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced922d8d5c0697c23fa4a70cb4bf8ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf8a317ccc87a1bf8e17852fddbe29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d533b594f63c4d48135aa0a02592b89a.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcca0e992d47f3db0be185ba861adf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811f2ad9bbe890879e63f151b37bb814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0204f76cda5ea4ced714588be1efeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcca0e992d47f3db0be185ba861adf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/811f2ad9bbe890879e63f151b37bb814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a7bb56467959ec1abad6bf06f10125c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d415dd1391cf359512f7714d4458feee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52265b7b99204466ba6eebd6e72ba860.png)
您最近一年使用:0次
4 . 已知函数
.
(Ⅰ)当
时,
求曲线
在点
,
(1)
处的切线方程;
求函数
的最小值;
(Ⅱ)若曲线
与
轴有且仅有一个公共点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc88525db18f2d5729fe2e38bb98fedd.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7393fc425948d4261bb6c7d67f88e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a076165bc5557f778b9dbd9dd955708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d75a5a4a9a9572b06af878043c02e8e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e988d3aefa4c72cfc837f3707e1c69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(Ⅱ)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-10-24更新
|
541次组卷
|
2卷引用:北京市昌平区2020届高三(6月份)数学适应性试题
名校
5 . 已知椭圆C:
1(a>b>0)的一个顶点坐标为A(0,﹣1),离心率为
.
(1)求椭圆C的方程;
(2)若直线y=k(x﹣1)(k
0)与椭圆C交于不同的两点P,Q,线段PQ的中点为M,点B(1,0),求证:点M不在以AB为直径的圆上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd4fd9bfd38c5361d55735bfe4bb2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆C的方程;
(2)若直线y=k(x﹣1)(k
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411837b4b3078d05b43cb0439259a362.png)
您最近一年使用:0次
2020-10-19更新
|
386次组卷
|
6卷引用:北京市东城区2020届高三第二学期二模考试数学试题
北京市东城区2020届高三第二学期二模考试数学试题(已下线)专题20 圆锥曲线综合-2020年高考数学母题题源解密(北京专版)北京市第一七一中学2021-2022学年高二上学期数学期中调研试题(已下线)第46讲 范围、最值、定点、定值及探索性问题(练) — 2022年高考数学一轮复习讲练测(课标全国版)浙江省舟山中学2023-2024学年高二上学期第一次素养测评数学试题辽宁省铁岭市调兵山市第二高级中学2023-2024学年高二下学期期初考试数学试题
名校
解题方法
6 . 对于数集X={-1,x1,x2,
,xn},其中
,n ≥ 2,定义向量集
,若对任意
,存在
,使得
,则称X具有性质P.例如{-1,1,2}具有性质P.
(1)若x > 2,且{-1,1,2,x}具有性质P,求x的值;
(2〉若X具有性质P,求证:1 ∈X ,且当xn >1 时,x1= 1;
(3)若X具有性质P,且x1= 1 ,x2 =q (q为常数),求有穷数列x1,x2,
,xn的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d0040b12a13d03d5f1c6c1f80ac0365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac4d197ead9c1bc27b05aedac23ad79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c122d308af408739c2717376e932122d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c6bb4424eb1e5ab02b8ac83fd6ad10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8de3dabcc3150fd539ac97718ba10c5.png)
(1)若x > 2,且{-1,1,2,x}具有性质P,求x的值;
(2〉若X具有性质P,求证:1 ∈X ,且当xn >1 时,x1= 1;
(3)若X具有性质P,且x1= 1 ,x2 =q (q为常数),求有穷数列x1,x2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
您最近一年使用:0次
2021-08-29更新
|
542次组卷
|
6卷引用:北京市海淀实验中学2020届高三三模数学试题
名校
7 . 已知数列
的前n项和
满足
,且
,数列
满足
,
,其前9项和为36.
(1)当n为奇数时,将
放在
的前面一项的位置上;当n为偶数时,将
放在
前面一项的位置上,可以得到一个新的数列:
,
,
,
,
,
,
,
,
,
,…,求该数列的前n项和
;
(2)设
,对于任意给定的正整数
,是否存在正整数l、
,使得
、
、
成等差数列?若存在,求出l、m(用k表示),若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a0f680ecbd480ae093a9d72e4b8b594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0108d4f0f000137d846363ee63b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37bd079cf3329af20b2609b08c9f8c4.png)
(1)当n为奇数时,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13423c094861baf4b759b7f3d8c3c226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1ccc6c74b8754e9bcbb3f39a11b6f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57483e04fd1840c87ac5325157149877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a548938d87c80ac47910607d3857007f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f6714682274c31a328bf796e235900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066b52c4c6c26644547d8e3542510529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0505b3b01eabf49fa1cd907fe92deb03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12232f27c4c46676efbb0247256cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9e5dfcc28321b563a8012ec2899c502.png)
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2020-08-14更新
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606次组卷
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5卷引用:2023年普通高等学校招生全国统一考试模拟(北京卷)数学试题
2023年普通高等学校招生全国统一考试模拟(北京卷)数学试题上海市实验学校2019-2020学年高一下学期期末数学试题(已下线)专题17 数列探索型、存在型问题的解法 微点3 数列探索型、存在型问题综合训练苏教版(2019) 选修第一册 一蹴而就 第4章 单元整合(已下线)重难点03:数列近3年高考真题赏析-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)
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解题方法
8 . 已知椭圆C:
的右焦点为
,过
的直线
与C交于
两点.当
与
轴垂直时,线段
长度为1.
为坐标原点.
(Ⅰ)求椭圆C的方程
(Ⅱ)若对任意的直线
,点
总满足
,求实数
的值.
(Ⅲ)在(Ⅱ)的条件下,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ce47fde921058026708a4321a0e213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(Ⅰ)求椭圆C的方程
(Ⅱ)若对任意的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62769b7177ef4bc952dc1dd51d6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57610afd116ab84660c807cc1aa3819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅲ)在(Ⅱ)的条件下,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
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2020-12-08更新
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4卷引用:【区级联考】北京市顺义区2019届高三第二次统练数学文科试题
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9 . 长沙市为了支援边远山区的教育事业.组织了一支由13名教师组成的队伍下乡支教,记者采访队长时询问这个团队的构成情况,队长回答:“有中学高级教师,中学教师不多于小学教师,小学高级教师少于中学中级教师,小学中级教师少于小学高级教师,支教队伍的职称只有小学中级、小学高级、中学中级、中学高级,无论是否把我计算在内,以上条件都成立"由队长的叙述可以推测出他的职称是______ .
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2020-11-24更新
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7卷引用:2020届北京市石景山区高三4月统一测试数学试题
2020届北京市石景山区高三4月统一测试数学试题【全国百强校】湖南省长沙市长郡中学2019届高三上学期第三次调研考试数学(理科)试题2021届高三高考必杀技之信息阅读题--类型8 推理与运算(已下线)押第13题 推理与证明-备战2021年高考数学(文)临考题号押题(全国卷2)(已下线)专题02 不等关系-2022年(新高考)数学高频考点+重点题型(已下线)专题02 不等关系江西省南昌市第二中学2023-2024学年高一上学期月考数学试题(一)
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10 . 设函数f(x)的定义域为R,满足f(x+1)=2f(x),且当x∈(0,1]时,f(x)=2x2﹣2x.若对任意x∈(﹣∞,m],都有f(x)≥﹣
,则m的取值范围是_____ .
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