1 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29183b9e99452d069d552257fc1f80e.png)
(1)当
时,求不等式
的解集;
(2)若不等式
的解集为实数集
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29183b9e99452d069d552257fc1f80e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8e1dd8da540badcb9a8f427c5b202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce25393cca5895dfb81ac9d681b5192.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-05-01更新
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941次组卷
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4卷引用:2019年9月贵州省遵义市高三第一次统一考试数学(理)试题