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其实找规律也是数学计算的一种方法了...:) 任何数都是1和其本身的倍数,或者也是其他两个不同数的倍数的话,就是说这个数要经过双数次拉动,还是灭的。只有那些除了是1和本身倍数外,还是相同一个数的倍数,就产生了奇数次拉动了!

naughtypig (皮皮猪爱玩现在不敢)
(#363647@0)
2002-2-9 -04:00
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