1 . 集合
满足
,
,
,则集合
中的元素个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba412c469088ffa84c71ee05f1679a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5f9ebc22c993a2e3a705715dbb2fe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a510f9de25bd52f3be75ff2519029d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.3 | B.4 | C.5 | D.6 |
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解题方法
2 . 已知
,集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf34786277a73c4d7f7813a5a002e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c0e1ad91c344f809c3482515e2fee0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 设集合
,
,
.
(1)设全集
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55caa42f444e0b6948660942623df4af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb50d33156d87943dc70bf3a04712719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0bd1633d30d1a5a230fbeeb7659417.png)
(1)设全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0dc8098ad6f31bdd87771ca9cfa33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c809a690704482d7258dad5b406482b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
4 . 已知集合
,若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2524a351e4b85df681f27933910359c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7f14bf7f60fe19b509223284455f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
5 . 已知集合
,若
,满足条件的集合B有___________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a65436c7b6ddae2e0694d40925cc41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4afc1abd4f96a968842e3c7613e6653e.png)
您最近一年使用:0次
名校
解题方法
6 . 已知集合
,
,
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f4c6693877c0c9af8ffb4628f5728f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a1e266e33a5f928a6717a0396b99cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce02b2bf7b5098543b0d98d842321b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-03-03更新
|
637次组卷
|
3卷引用:河北省廊坊市文安县第一中学2023-2024学年高一下学期3月月考数学试卷
名校
解题方法
7 . 已知函数
的定义域为集合
,集合
.
(1)求
;
(2)设集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1596e6b0b5b0014809ab156e3ba2b452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8115180da1fc3faa9eacd0f570a5d4b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb17a2a90cd479b604258d1258e9636.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7526554d8ecdae454103794bf92e9db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438a4fbc4db6a280ed1f2cde04105b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-01更新
|
108次组卷
|
2卷引用:四川省攀枝花市2023-2024学年高一上学期1月质检数学试卷
解题方法
8 . 已知集合
,
.
(1)若
,求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d746bb618d2c721d31a29a6355f6e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0455780697b6cdaf1c5f2d2f3ec7e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ea1b5b0366fe864b92a4112dd5700.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e3c75b4d567d3d8613777a79bf57d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
9 . 设集合
,
,且
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755fc81e5ec38c12f9790d7ded697597.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca8728480edb9328ca8fa65de6fbf2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
10 . 已知集合
,
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23abd56b5cf40682974bfc6a2ae05b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171fa56fc98a6ee44e62c578d9b2e049.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb15c78da33816eeb1af1990bfdcacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-01-29更新
|
343次组卷
|
5卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题