![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53adfff517dd0b9a1c420d178cdeaaca.png)
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更新时间:2023-05-24 05:07:51
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【推荐2】已知m+2n﹣2=0,则2m•4n的值为_____ .
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【推荐2】计算:(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420bca0063ffee94dec0079fa1e7ccf6.png)
____________ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0663e462310a71b426ebe5bc1e352f2c.png)
______________ ;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b57210f5cf5c134c8f5f7d6d57c1b0.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420bca0063ffee94dec0079fa1e7ccf6.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0663e462310a71b426ebe5bc1e352f2c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b57210f5cf5c134c8f5f7d6d57c1b0.png)
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【推荐1】已知am=2,an=6,则a2m﹣n的值是 _____ .
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