1 . 已知函数
的定义域为集合
,集合
,
.
(1)
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06acfe6f25ecca5057bdbf7561425f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6765cb5dded39dd9d24c5f9cae7edd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5e82af369f0f0e31e3ec39f67afcb5.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7251c3e8726d57f20a891aa59995b42.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bed4f3b7d72db3b022165360678e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2 . 设全集
,集合
,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8dcdb1f0419cfa3f42858412b9d847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffed05296d6f2acc34858bdbe03beb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
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2019-11-08更新
|
159次组卷
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2卷引用:上海市洋泾中学2018—2019学年高三下学期3月月考数学试题
名校
3 . 已知集合
,
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d303abeefa1e6dbdcfd42c31dc14dc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2de7fd0c26140e08600774378dca2a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fdf5a6e9b2d7c23d57798318da453.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95321d0e551daa25104d32157249c23d.png)
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4 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1d198b327d8046bc27572686f9b88.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d24191c8ae206bcbb9d8e621b60859c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9a00d4d8ebaf41752048498ec09fda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5af1d198b327d8046bc27572686f9b88.png)
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2019-11-04更新
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780次组卷
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10卷引用:浙江省杭州市学军中学2019-2020学年高一上学期期中数学试题1
浙江省杭州市学军中学2019-2020学年高一上学期期中数学试题1浙江省杭州市学军中学2019-2020学年高一上学期期中数学试题2(已下线)【新东方】杭州高一数学试卷2112020年秋季高一新生入学分班考试数学试卷(上海专用)03开学分班考试(四)-2020年秋季高一新生入学分班考试数学试卷(新教材)2020年秋季高一新生入学分班考试数学试卷(上海专用)02(已下线)第1章+集合(基础过关)-2020-2021学年高一数学单元测试定心卷(苏教版2019必修第一册)(已下线)第01章 集合(B卷提升卷)-2020-2021学年高一数学必修第一册同步单元AB卷(新教材苏教版)河北省石家庄二十二中2020-2021学年高一上学期第一次月考数学试题广东省清远市阳山县南阳中学2023-2024学年高一上学期10月月考数学试题
名校
5 . 设集合
,集合
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7eb8cd9b5b9b61952efb3f70b90068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef75d856bb000e587189d5d4c096738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31333463f002b68938ee903c9dfbe125.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-11-04更新
|
471次组卷
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3卷引用:陕西省榆林市第二中学2019-2020学年高三上学期11月月考数学(文)试题
6 . 若全集
,集合
,
或
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1532ce385e98eaa3acbd729e80b0b25.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c60ee1eb10343e26071284415000f13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/013c47a38b6516713f0863073f63146a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4ddadbdc40a81d7310dd69c14f40a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1532ce385e98eaa3acbd729e80b0b25.png)
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2019-10-30更新
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137次组卷
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2卷引用:沪教版 高一年级第一学期 领航者 第一章 每周一练(1)
7 . 已知集合
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc42dc5cbef2c0857ba76587331d260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b8227e48f5bdb2ca8e0e4991a96b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72bc3ebd480e761d156ae995abc1153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600e307b571400cbb976d7002f8b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc42dc5cbef2c0857ba76587331d260.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 对于集合
、
,定义
,
,设
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ad81f1be493222fb6a9a76b08875ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0d79c44d9d77c79c326a4d0cca2cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b7e0559693014e51d720ec671abe56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae9153668d6105fcd0ff2cf679b23746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c2544531d369389707e53c33d92195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ad81f1be493222fb6a9a76b08875ad.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 设全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad0f7c904d295ebe1eb561e1f0b7306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0653cc4a24d8c2c9718556dd3c1a83b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知全集
,集合
,
.求:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce5e09b16162efdaba37d98afaaaab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972d3116847f38d5c9543640f0658c14.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61410f474533fe21cfe5354b747a5de9.png)
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2019-10-17更新
|
228次组卷
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4卷引用:四川省广安市武胜烈面中学2019-2020学年高一上学期10月月考数学试题