解不等式:
,的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2c85b80dcbfbf2ca1c0add9591e58f.png)
更新时间:2023-12-28 20:49:20
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【知识点】 求一元一次不等式的解集解读
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填空题
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较易
(0.85)
【推荐1】请填写一个常数,使得关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b331795c343c81307d9cdb46eea5d4b8.png)
______
有不相等的实数根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b331795c343c81307d9cdb46eea5d4b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771df37a312dac1fb332a31a10340c29.png)
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填空题
|
较易
(0.85)
【推荐2】已知
是不为零的常数,若
的解集为
,则下列推断:①
;②
;③
;④关于
的二元一次方程
,当
取一个不为零的常数时,方程总有一个解为
,其中推断正确的序号有______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae6c08e4c2f5db9a595dcdbd99f9896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b83a660527359758db64e6566466293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c5c6f43a805effe36c00898a8a45f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5b998c9460ba85a821126ff2b72d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a548f2fb4c28b5d4d4581d5abd4443.png)
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