解题方法
1 . 求函数
的定义域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b242945a116f735561505a2a8a1054.png)
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名校
解题方法
2 . 设全集为
,集合
,
.
(1)分别求
,
;
(2)已知集合
,若
,求实数a的取值构成的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339b85cca0100adc23472c143f9a5a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1942ea41a2b98332ea014a180f94b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e6936171200f7f8a3392b53b842cb3.png)
(1)分别求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9795cfcb301e51b2f628ff95d7c85c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faf17a4a4d14c123862352736af6857.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3f6d803a0a66c5fcc9f175beade404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b7c9ee21ebb6a782ce0ef8de5c9c75.png)
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2022-10-21更新
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133次组卷
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2卷引用:江西省修水中等专业学校2020-2021学年高一上学期高考班9月月考数学试题
3 . 设集合
或
,
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548d3adcb5c96ad90b17b35de32caeaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b464969bae2f0b59ac7f89d1bb7044c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7548e16c993ae8f3cdf3eb1cce696874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e324c24208cc97f9c44146af94933895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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解题方法
4 . 已知集合
是由
,
,
三个元素组成的集合,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e393cbdb88845fa1aafca2a8bf19fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3b0fe93f94c8054723462b5a4aaca84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e062635129faf39102676b4eba741401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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5 . 已知非空集合
,
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09980c820ca05a074899a57c9a4304d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b782be50df3bc32df81c9350daf42ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
您最近一年使用:0次
2022-10-21更新
|
72次组卷
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2卷引用:江西省修水中等专业学校2020-2021学年高一上学期高考班9月月考数学试题
解题方法
6 . 设集合
,
,若
,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98a3c7bca426bf9b9361bc3252dd15e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec21ce8ff0a474095893d1b5d039aaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
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7 . (1)用列举法表示下列集合:
①
;②
;③平方等于25的实数.
(2)用描述法表示下列集合:
①被5除余3的正整数集合;②
;③2的平方根.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55ecb03b0b619cb873da3aa1f5973a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69527323e3b6e894c18e4767c3fc45e3.png)
(2)用描述法表示下列集合:
①被5除余3的正整数集合;②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181f56cae07739f6716516ead842b862.png)
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8 . 已知全集
,集合
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/5b382c84-0a10-40c3-a1ae-db4f9a48a9e3.png?resizew=127)
(1)求
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bff179f5857282b888375309bcd554.png)
(2)如图,阴影部分表示集合M,求M.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10db6306b77574dcb5a4a3898841d742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1e1e9b714b8f8159390ace745842d4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/15/5b382c84-0a10-40c3-a1ae-db4f9a48a9e3.png?resizew=127)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bff179f5857282b888375309bcd554.png)
(2)如图,阴影部分表示集合M,求M.
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2022-10-12更新
|
153次组卷
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2卷引用:江西省九江市国科共青城实验学校2023-2024学年高一上学期9月月考数学试题
解题方法
9 . 已知集合
,
或
,全集
.
(1)若
,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074fc6e62b76024813d70d580aba8369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e403db0f0b73a9f88d93b123147a502a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cd4e5d7e63d3862675cf9b1d4175cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-09-29更新
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909次组卷
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3卷引用:江西省修水中等专业学校2019-2020学年高一(高考班)上学期9月数学月考)试题
10 . 已知
,
,若
,求实数
所构成的集合
,并写出
的所有非空真子集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e42454dda33180af88dc4a871df037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb86739162704736a3f9261b7a120209.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2022-09-29更新
|
325次组卷
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2卷引用:江西省修水中等专业学校2019-2020学年高一(高考班)上学期9月数学月考)试题