不等式
的解集用区间表示为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c7b56c00eb5d31ffde7255aa55644c.png)
更新时间:2022-11-30 11:55:38
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填空题-单空题
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【推荐1】用区间表示下列集合:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17f798c77df6c6dca565464032518a1.png)
______ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e5dd1810798d2d3cd5849e832dc8c5.png)
______ ;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73db2a1acf3727d96a441775e5b483c.png)
______ .
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17f798c77df6c6dca565464032518a1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e5dd1810798d2d3cd5849e832dc8c5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b73db2a1acf3727d96a441775e5b483c.png)
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填空题-单空题
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较易
(0.85)
【推荐2】若函数
的定义域为
,值域为
,则a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/153aeeaae664eac14164a99d321afd9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cde84ca17a41b646d8992e0bbe2107.png)
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