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zzycyy

木虫 (著名写手)

[求助] 一道初中数学题5金币

题目如下
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yegong5681

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zzycyy: 金币+5, ★★★★★最佳答案, 谢谢大侠 2012-05-14 10:27:33
设2+(5)^(1/3)=[m(1+a(5)^(1/2))]^3,可求得a=1,m=1/2。进而得证。见图:


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2楼2012-05-14 08:29:17
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