已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c578d88b48285f6640099932a4feea.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12b40b1544e62be8b9e9f4dc9f2c0c74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c578d88b48285f6640099932a4feea.png)
更新时间:2023-09-15 13:40:24
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【推荐1】当
时,代数式
的值是
,当
时,代数式
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e38246cbda4d8b643cbc891dc4b0c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec452d37f3a1962bddc92f2fdca7a134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2255dea7a9c749aee49760f14818cd33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa91e8bdc80f8783436466b396692873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec452d37f3a1962bddc92f2fdca7a134.png)
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