解题方法
1 . 已知关于
的方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38abfe94aab2620c3f39e483615dfbf5.png)
有两个实根
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
,则下列不等式中正确的有______ .(填写所有正确结论的序号)
①
; ②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d991bd47bd0825b3a84f5d635ee5f9dc.png)
③
; ④
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38abfe94aab2620c3f39e483615dfbf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cea72e0c37257bcfd85a59ef8dd0f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ce41c1548ce8cfb04284ad9768878a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6175a72db472feeed10e44fd8df3fc70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d991bd47bd0825b3a84f5d635ee5f9dc.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6566566211b4627a3e2447c3d126ce7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00ea29ab2851b2b9585cb0a3225e560.png)
您最近一年使用:0次
2021-09-11更新
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464次组卷
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4卷引用:河南省大联考2021-2022学年高三上学期阶段性测试(一)文科数学试题
河南省大联考2021-2022学年高三上学期阶段性测试(一)文科数学试题河南省十所名校2021-2022学年高三上学期文科数学阶段性测试(一)(已下线)专题17 不等式-备战2022年高考数学学霸纠错(全国通用)(已下线)考向22不等式性质与基本不等式(重点) - 2