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标题: gwd-m-19 [打印本页]

作者: sunjueliang    时间: 2005-11-16 18:58     标题: gwd-m-19

Gwd 9-19,

Is the integer n odd?

1, n is divisible by 3.

2, 2n is divisible by twice as many positive integers as n.

answer B:

请NN解释一下B什么的干活?


作者: observer    时间: 2005-11-17 07:16

此题以前讨论过,B 的意思是2n的 factor-因子数 是 n 的二倍.
作者: sunjueliang    时间: 2005-11-18 21:35

谢谢!!!!






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