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1 . 设正数
,
满足方程
,若不等式
有解,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a94b7dd32b0e20ee7d4952d84bb975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9710edc6dab046523653eb45a7446ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-04-13更新
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3卷引用:陕西省榆林市绥德中学2020-2021学年高二下学期第四次阶段性考试理科数学试题