数学吧 关注:930,624贴子:8,911,690
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求解。大神啊啊 啊啊

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1=1 2=4 3=9 4=15 n=


1楼2013-11-19 21:44回复
    n=n
       --
    Because my English is very poor, so I decided to communicate in English later!


    来自Android客户端2楼2013-11-19 21:46
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