已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6366be938e64879c62806dcad4c9015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d0b027eb75101418cfe40dbd8f7e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
更新时间:2022-10-11 14:19:11
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【知识点】 已知分段函数的值求参数或自变量解读
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【推荐1】设函数
,若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deda01295c40ff028def8dbf05cf0419.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9230570fc5dd2b9ebb046ae32d872def.png)
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解题方法
【推荐2】设函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92cdaef10d0b7b490d6515ac323d0517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02425a8821d7e44ee1a76b2b8f0761c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
您最近一年使用:0次