2021高一·全国·专题练习
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1 . 求下列不等式的解集.
(1)
;
(2)
;
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca870ce2c2d48a19bd4c0a0da0b57b00.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7deaf1d77a7a53aa405307754e9c73c8.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab2fde9e3e934c51c1a424b7b40bccf.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547adc121c442b3bb9189e6df5ee4018.png)
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2022-04-04更新
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869次组卷
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4卷引用:重庆市渝北中学2024届高三上学期7月月考数学试题
重庆市渝北中学2024届高三上学期7月月考数学试题(已下线)专题03 一元二次函数、方程与不等式常考基础题型-2021-2022学年高一《新题速递·数学》(人教A版2019)(已下线)2.2.3 一元二次不等式的解法吉林省辽源市田家炳高级中学校2022-2023学年高一上学期9月月考数学试题
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解题方法
2 . 已知集合A={x|2
|x|
m},B={
-
+8x>0},C={
-2x-15=0}.
(1)若A
C=A,求实数m的最小值;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8536a5ebd76f494c03019086506d8e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8536a5ebd76f494c03019086506d8e6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b497e59c7f98ad2338c872bf9fb7eb20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5d143fe2ce820a63f0adaf7cfb7afc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8883bc85a054b5e03d80cef14e492452.png)
(1)若A
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321a57dd129e992d7834e91961987bd1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
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解题方法
3 . (1)已知
,
,不等式
的解集为
求实数m,n的值;
(2)正实数a,b满足
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a15df4f4655370c96c4a56616f98b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613f39b0513bd8a6922ce0db193251f8.png)
(2)正实数a,b满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7dbc702617c765a573961953cc0901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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2021-12-24更新
|
709次组卷
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4卷引用:重庆市璧山中学校2021-2022学年高一上学期期中数学试题
重庆市璧山中学校2021-2022学年高一上学期期中数学试题甘肃省金昌市永昌县第一高级中学2021-2022学年高二上学期期末数学(理)试题(已下线)专题6.6 必修第一册期末考试总复习检测2(中)-【满分计划】2021-2022学年高一数学阶段性复习测试卷(人教A版2019必修第一册)(已下线)第03讲 基本不等式 (精讲+精练)-3
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解题方法
4 . 已知全集
,集合
,集合
.
(1)若
,求
;
(2)设
;
,若p是q的充分不必要条件,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6366bd423fa7719c7413d50c481dcc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a588fce5e854cca42257b6c80edc5c92.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fedf1176ff497d9fa4510e57ba90267a.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
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5 . 已知全集
,集合
,
.
(1)求
;
(2)若集合
,且
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2279bc4cd48de1881f999a9047bb90a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9684f507033306b55af2aee5b00adb27.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211fba2f88a04b075dbf781613b17178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e968937d457d9e2237b401077ff224a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-12-06更新
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735次组卷
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3卷引用:重庆市第一中学校2021-2022学年高一上学期期中数学试题
重庆市第一中学校2021-2022学年高一上学期期中数学试题江苏省扬州中学2021-2022学年高一上学期12月月考数学试题(已下线)北京市北京亦庄实验中学2021-2022学年高二下学期期末教与学质量诊断数学Ⅱ试题
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6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57598f7a529304df19729c1cb3737cce.png)
(1)若函数
的定义域为R,求实数a的取值范围;
(2)当
时,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57598f7a529304df19729c1cb3737cce.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4cd163c1c68cd76cb9974e852c7ad3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6000b174147cec2de26041837aec1b3.png)
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2021-12-03更新
|
620次组卷
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6卷引用:重庆市七校2021-2022学年高一上学期期末数学试题
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解题方法
7 . 已知集合
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b081ac5671688fa0f9408a47dafc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62082eed37d2443016a22ee963aa9dc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知集合
.
(1)求
、
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc3ff26a7e93366d459f6edbc91232fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
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2021-11-24更新
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150次组卷
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2卷引用:重庆市清华中学校2021-2022学年高一上学期10月月考数学试题
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9 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc8e6325d3620000852b5159c542f3a.png)
(1)若
,求
.
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbadf2dd085f435adece5202bb4823d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc8e6325d3620000852b5159c542f3a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
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解题方法
10 . 设
.
(1)若不等式
对一切实数x恒成立,求实数m取值范围;
(2)若
,解关于x不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c064ae009310ae784b79a775cbed31.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e59bb4bf2e0698d876cf815362b3658.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a878fd5a7104a7f42770a19097d56457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707512cd486582a6cf3de9858c592d17.png)
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