1 . 含有3个实数的集合可表示为
,又可表示为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40918974b3dd39f686bf1d6962490664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac5ed38ebb5096affd6682970433ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e999b561583b4e422de4415d6e5b110.png)
您最近一年使用:0次
2 . 已知集合
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601b85d2d23143cc5d2a8b410200741f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12fed3bd5bc925cf990e057f43395bff.png)
您最近一年使用:0次
3 . 已知集合
或
,
,其中
.
(ⅰ)当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ ;
(ⅱ)若
,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b6036b5f9fcc6f245ee1f0ff218839f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa3022e7435b36f3b4b088d0820a700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88592a427b6845d3d4c821218b3e2171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.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
4 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a6f06ea06ee1d15560980bab42680a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31498e0da76e11c47b16f1277921c52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
您最近一年使用:0次
2024-01-24更新
|
1478次组卷
|
6卷引用:天津市部分区2023-2024学年高一上学期期末练习数学试题
名校
5 . 已知集合
,则集合
的子集有______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a588990c5266b7c045c51d0611935281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
解题方法
6 . 设集合
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d0fc962fb61c29345eba43ae2f4348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf752ccb909d210e2a97c11880519c03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
7 . 若
,用列举法表示集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa65ed5f84a555f0bb03e006d8212b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ffa9bef5f3349a180ad2cfde9fadeb5.png)
您最近一年使用:0次
名校
解题方法
8 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83c4aa9df4c524b54d55e0989bcfa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568585386ab99f1a8eba67802b8aeea8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
9 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fccf26209148019ae33a85663008ed81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5631f7958e5738da86da991fbb98fdf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
名校
解题方法
10 . 已知集合
,
,若
,则实数a的取值范围是______ ;若
,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15095b7c6888d4370e62aee8f6a62be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce81f1fd5260235d89dc67b93234ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928cd155cf20033821c58ab602111bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
您最近一年使用:0次