已知
,
.
(1)解不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bf0995f32a13d0a9e423f3e88ab271.png)
(2)若对
,
,使得
.求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528ddf5199b27cfd480c8298f1fe9995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3659637c83dd2ecc9c261d19586eae4f.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bf0995f32a13d0a9e423f3e88ab271.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a388b0d122d08d0211d818df53aba3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7898341abbbf8da0a085fa59d0887576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041ce5a93a320c8f3827ebd0e9b2a832.png)
19-20高三上·全国·阶段练习 查看更多[2]
更新时间:2019-10-23 15:56:18
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【知识点】 分类讨论解绝对值不等式解读
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【推荐1】若函数
的最小值是3,则正实数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7312128c952aefcdcbb3c73edb753df.png)
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