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标题: gwd-9-19 [打印本页]

作者: rosemarys    时间: 2005-10-13 06:34     标题: gwd-9-19

is n an odd integer?

1) n is divisible by 3

2) 2n is divisible by twice as many positive integers as n

2n的因子是n的因子的两倍,第二句话我怎么怎么想都不是前面这意思


作者: sammen    时间: 2005-10-13 12:16

2n is divisible by twice as many positive integers as n is divisible by.呵呵似乎变成语法题目了.


作者: nbnhjf    时间: 2005-10-14 13:24

因子个数吧!




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