I have proved that there is only 698896 in 6-digit number.

來源: jinjing 於 2010-10-12 20:56:19 [檔案] [舊帖] [給我悄悄話] 本文已被閱讀：次 (112 bytes)

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回答: 計算機編程題 - 找最小偶數位對稱平方數由巡天劍客於 2010-10-12 15:36:11

there is no 4-digit number.

If we want to find next number,it at least is 8-digit number.n=121*m^2...m>300...

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