解题方法
1 . 已知集合
,
,
.
(1)求
,
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac79251225f0fe8237fec16fd19856fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0920e44bde11539e499b56b30be03005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab0147c109133d01a8ef5b59a40960e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda922978abb112ea099f28ff9ec1170.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,
.
(1)当
时,求
;
(2)若“
”是“
”的充分不必要条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a99ce97906ca9926964d936a69d32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fbb98832b8ab50dc4bcbc327a086a5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-20更新
|
236次组卷
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4卷引用:湖南省邵阳市邵阳县2020-2021学年高一上学期期中数学试题
湖南省邵阳市邵阳县2020-2021学年高一上学期期中数学试题广东省高州市第一中学2020-2021学年高二上学期第二次月考数学试题(已下线)安徽省安庆市怀宁中学2020-2021学年高一上学期期中数学试题福建省南平市高级中学2021-2022学年高一上学期期中考试数学试题
名校
解题方法
3 . 已知全集
,
,集合
是函数
的定义域.
(1)求集合
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2baeb668ad0cc6f13756399c0a4084ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd719b6e58444bf764ea6f77ee0af6f6.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
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2020-12-13更新
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5卷引用:福建省莆田第七中学2020-2021学年高一上学期第二次月考数学试题
4 . 集合
,集合
,求
,
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dc60dac5c008368c97befeef85a0f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e2861c9fc1aae57539056226926377e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49c6009ab1bad0e053bc7e11b868cac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ba0411c6451b4fafd780b9a9c28e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
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名校
解题方法
5 . 已知集合
,
或
,
.
(1)当
时,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/1afacaac2cf6075dfcc3846236b50e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801a207a451e2d568433cef1fb1b3051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a501b09cd2b389c10565130f72b558e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901e42fd7af6dbb3ac34bd1b3764a98f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-11更新
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2卷引用:福建省华安县第一中学2020-2021学年高一年上学期期中考数学试题
名校
6 . 已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f57c2c54e4e51bddf9fc13e6508e277.png)
(1)若a=1且全集U={0,1,2,3,4,5},求
;
(2)若A∩B={4},求a的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3bd3d1f5a2499fe4cb1347578f6bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f57c2c54e4e51bddf9fc13e6508e277.png)
(1)若a=1且全集U={0,1,2,3,4,5},求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408a44fd7c73db8cc1fe8ea88474bc5.png)
(2)若A∩B={4},求a的值
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2020-12-11更新
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2卷引用:广东省清远市凤霞中学2020-2021学年高一上学期期中数学试题
名校
7 . 已知全集
,集合
,
.
(1)当
时,求集合
;
(2)若集合
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5527d482ac9604b5bbd1dfe66efbdeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a402c06131bdb18ec453eabedee18f2e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff1072314d9287eac55e0d834448469.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-11更新
|
222次组卷
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2卷引用:福建省厦门外国语学校2020-2021学年高一10月数学月考考试试题
8 . 已知集合
,集合
.
(1)求
与
;
(2)设集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceb4727a88d86a792d352f12c0e26efc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4509dbae3cec10f24689ae5a478bc65.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40dd9f714d61a985b52583cb8403054c.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e736e3ddb3208365e5c072c93ef12cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ad73b372e2060c0d1acfab89bc5b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知集合
,
或
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ccb6eadc63cf271d8e46d786c604fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feef305abc7ae39b8836885c7b97ce4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9794065ce6d795972f27f7a9767e6e77.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
您最近一年使用:0次
2020-12-03更新
|
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4卷引用:福建省莆田县擢英中学2020-2021学年高一上学期期中考试数学试题
名校
解题方法
10 . 已知全集
,集合
,
.
(1)当
时,求
及
;
(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/b5a2879f865913ab42de0d983c7363b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1625fd200a353066a9cf1cba3f14321a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da885abe581cbd11ed8e44d2427c0f3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-12-03更新
|
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4卷引用:江苏省南京市第五中学2020-2021学年高一上学期10月月考数学试题