解题方法
1 . 设全集为
,集合
,
.
(Ⅰ)若
,求
;
(Ⅱ)在①
,②
,③
,这三个条件中任选一个作为已知条件,求实数
的取值范围.(注:如果选择多个条件分别解答,则按第一个解答计分)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a095b8fa4d344b39095fc12a0a8f323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5331ee2741d94f8110940676e8d5e43.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
(Ⅱ)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024ff3070894e1c7e3db007e6310f529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:河北省邯郸市2019-2020学年高一上学期期末数学试题
名校
2 . 已知全集
,集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c41dc0e018cb3c49201e4798e4a599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724c5d553c71efc62a43513d505303fc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a06201f306aabbbd5bb1a6aab2521e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eac19737d882225c903054eb4863501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9卷引用:河北省武强中学2022-2023学年高二下学期期末数学试题
河北省武强中学2022-2023学年高二下学期期末数学试题河北省石家庄市西山学校2022-2023学年高一上学期期中考试数学试题湖北省黄冈市麻城实验高中2019-2020学年高一上学期10月月考数学试题安徽省亳州市黉学高级中学2019-2020学年高一(英才班)上学期期中数学试题浙江省丽水外国语实验学校2020-2021学年高一(直升创新班)下学期第一次月考数学试题(已下线)江苏省南通市如皋市2021-2022学年高一上学期期初调研数学试题(已下线)专题01 集合中的典型题(1)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)福建省龙岩北大附属实验学校2021-2022学年高一上学期第一次月考数学试题山西省太原市第五中学校2022-2023学年高二下学期5月月考数学试题
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3 . 已知函数
的定义域是集合A,集合B={x|m<x<m+9}.
(1)求集合A;
(2)若
.求
;
(3)若B⊆∁RA.求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6fc1443a1f4c9392e16116b96e1fdd.png)
(1)求集合A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5cdfcc8c0a86382fb7a4ef3dba9f836.png)
(3)若B⊆∁RA.求实数m的取值范围.
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4 . 集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
.
(1)若
,求
;
(2)已知命题
,命题
,若命题
的充分不必要条件是命题
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d6fad2ea568de2936e7bd82e38f5f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670c9f535ebcff5ab814ba64ee689700.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fe537831a48596b13471f056020b2b.png)
(2)已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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4卷引用:河北省沧州市第一中学2021-2022学年高一上学期第二次月考(期中)数学试题
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5 . 设全集
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7524fb183bba267fd8e57eef40269ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6baac8f985bdc46c0d398f45f112f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ed6d669fc2ad7b025890c325d1675a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:河北省唐山市第一中学2019-2020学年高一上学期期末数学试题
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6 . 已知全集
,集合
,
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b33fc4adddd9fe10baf7a51ab7a0602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62321eb2006eabc6a7d3d96e19011e81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b627ce7eb6f04eeb78e9b37eacb6f0d8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781ef05d13904b9082c3d7b30aa3c2ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 已知集合
,函数
的定义域为
.
(1)当
时,求
、
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320be3c12577c042ca2ac6c1e45a022b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1925a5909284dbd0b69496a54832b5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7卷引用:河北省唐山市第一中学2019-2020学年高一上学期期中数学试题
8 . 设全集
,集合
,
.
(1)求
;
(2)若函数
的定义域为集合
,满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05a0bfc1a0fd476e22e5aaf99190118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d9ff92c8a059aa503692c7f485fabc2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159ab0a801b54df6535a0a6a16cc556.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53340daaac29e3eebfac89a1beeeb115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22882310035db6d3d953e060b0c91733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:河北省石家庄市2019-2020学年高一上学期期末数学试题
9 . 已知全集
,集合
和
关系的Venn图如图所示,则阴影部分所表示集合中的元素共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/7d2e10c6-035c-4d44-8493-03086ef86f8b.png?resizew=220)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78e521513702b81907c374d9aed7701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32fca8a8ea499193cea07b980132967e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/7d2e10c6-035c-4d44-8493-03086ef86f8b.png?resizew=220)
A.![]() | B.![]() | C.![]() | D.无穷多个 |
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6卷引用:河北省唐山市第一中学2019年高三上学期期中数学(理)试题
河北省唐山市第一中学2019年高三上学期期中数学(理)试题河北省唐山一中2020届高三上学期期中数学(文)试题(已下线)第一章+预备知识(基础过关)-2020-2021学年高一数学单元测试定心卷(北师大2019版必修第一册)江西省宜春市第九中学2020-2021学年高一上学期第一次月考数学试题(已下线)阶段检测一 (基础过关)(考试范围:集合与常用逻辑用语&一元二次函数、方程和不等式)A卷第一章 预备知识单元测试(基础过关)-2020-2021学年高一数学北师大2019版必修第一册
10 . 已知集合
,
.
(1)
,
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1e167e4cfa23403fde6ccfcf15ab81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac304a36b45c3baeeaceed770a707629.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12025743d6e79e9115af84efd4dccced.png)
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