21-22高一·全国·单元测试
1 . 已知集合
,
,若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
__ ;若
,则实数
的取值范围为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ecfb7f08b63c1ff1d294d21fbec3ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc6359f92fad716cb8e60e29bd1ac39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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21-22高一·江苏·单元测试
解题方法
2 . 已知集合
.当
时,则
=___________ ;若
,则
的取值范围为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e06029787b3a22357164d283fc768163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次