解题方法
1 . 已知集合
,
.
(1)当
时,求
,
;
(2)求能使
成立的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38624bcb431c21d685b36f6945a6a9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0bdb48726751db684f26abd7a625ec.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825793ebd4bb376a09621f163ac990a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)求能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
2 . 设全集
,
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20889682a2ce4c6efab561457cdec3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48df90426995ac031c27bf8b9199e3cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ba0411c6451b4fafd780b9a9c28e7b.png)
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2023-10-07更新
|
202次组卷
|
4卷引用:北师大版(2019)必修第一册课本习题第一章1.3 集合的基本运算
3 . 已知集合
,
,
,求:
(1)
;
(2)
;
(3)
;
(4)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102cdb28a21e481c0fe8fbe99f16ec30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8fa84fe9e7f21f14863a4a1889a08fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c739676ab6561d37276134ab82727eab.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84fb0ca38afa0cfca57d09174210dd7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ed13ad63c5d72766db586970e7306a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be0a4924ac50a735d20bc47e4f19e99.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e867abeea228c0945dfc58be2eaca47.png)
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3卷引用:北师大版(2019)必修第一册课本习题第一章1.3 集合的基本运算
4 . 已知集合
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95807f94cda5e0cbc9a125381950d75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6ed8718b5ef85a091f2c816560a541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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2023-10-07更新
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69次组卷
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3卷引用:北师大版(2019)必修第一册课本习题第一章1.3 集合的基本运算
5 . 设全集
,
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263e321830c0584353e19e19475309af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a9f02851ab4331ccb1e57f44ef91702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ada7329c3ea7277177840d1c6eeb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5207a956f783588ad0f1df179de2dc46.png)
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2023-10-07更新
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94次组卷
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3卷引用:北师大版(2019)必修第一册课本习题第一章1.3 集合的基本运算
6 . 已知集合
,
,求
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61241dcbf7b8710b40fac16129710bb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccac6bd413766d012bc368b0b48a8776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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3卷引用:北师大版(2019)必修第一册课本习题第一章1.3 集合的基本运算
7 . 设方程
的全体解组成集合
,方程
的全体解组成集合
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e001b2df3dcbc34407acb4986f7e9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67791cfbc8098f68a9ebdf4ae91b2cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0172f8f84e6d39692b4ae1037efa075a.png)
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8 . 求下列每对集合的交集:
(1)
,
;
(2)
,
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffc2628f0e121bba72f752c55be44fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f2a0c24fdba86066b2dbfc89ff44aa.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5267cc758a566c5ec857638a7ed9f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd665d9e145bd702a2667dae9c6191.png)
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9 . 已知
,
,求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc51474b54120493b300a14e566cbc0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e11ad297abc99c544ed50472e2493a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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2卷引用:苏教版(2019)必修第一册课本例题1.3交集、并集
10 . 设
,
,求
和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b5c349655fc035b45cc93120b6dd3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647f51fb6db618b0e3c5ff14a4f27a0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
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