名校
1 . 已知
,
关于
的方程
有实数根.若“
”为真,“
”为假,,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00cc4b5e2eb844c268cb4551e78851d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57e8faefe8dee8d537f131ddcadbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-08更新
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340次组卷
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4卷引用:青海省西宁市大通回族土族自治县2020-2021学年高二上学期期末联考数学(文)试题