![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9369cd0c2f08f3bbd6663b81545284b.png)
更新时间:2016-12-06 03:23:45
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【推荐2】若
,
,且已知
,则代数式
的值=________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae80131e0591efa4c612a56191723066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d8fb5d77fb9034aad2cb9ecf6be5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7961cbe98aac6a5fdee94582c341b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a968176cc3e40dc160f1d382d45a9e3.png)
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【推荐1】若有理数a,b互为倒数,c,d互为相反数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909429d56585ee0efbeac113da71b551.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909429d56585ee0efbeac113da71b551.png)
您最近一年使用:0次
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【推荐2】已知a,b互为相反数,c,d互为倒数,则a+b+cd=_____ .
您最近一年使用:0次