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11-12七年级下·陕西·期末 查看更多[1]
(已下线)2011-2012学年陕西中等音乐学校七年级下学期期末数学试卷(A)
更新时间:2012-08-26 14:28:56
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【推荐1】幂的乘方底数______ ,指数______ ,即![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0e7641686a7faa981d46f30da4851f.png)
______ (
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都是正整数);反之,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206129dfee8aa58c3432bc2824a8f456.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0e7641686a7faa981d46f30da4851f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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【推荐2】若m,n均为正整数,且3m﹣1•9n=243,则m+n的值是_____ .
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