名校
1 . “解方程
”有如下思路:设
,则
在
上为减函数,且
,故原方程有唯一解
.类比上述解题思路,不等式
的解集为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc8fee13d6f190523ff6699e8fbc749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ffcaabba3c20311125062a56e64993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a050b963ee0f077ba077d3e60c9f34a4.png)
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2020-04-16更新
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3卷引用:河南省开封市兰考县等五县2018-2019学年高二下学期期中联考数学(理)试题