已知
,
,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4668c730e1de04bb25fbec50c3fdefe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df558ae1b19b8eb7134ca8ad191c124c.png)
更新时间:2020-12-29 20:48:23
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【知识点】 基本不等式求和的最小值解读
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【推荐1】若
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解题方法
【推荐2】(1)当
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