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标题: 请教一道GWD [打印本页]

作者: zhangzhichen    时间: 2006-7-29 08:24     标题: 请教一道GWD

In the decimal representation of x, where 0 < x < 1, is the tenths digit if x nonzero?

(1)     16x is an integer.

(2)     8x is an integer.

答案选B

不太明白这道题的意思,麻烦哪位明白之人帮偶解答一下, 谢谢啦!


作者: elites    时间: 2006-7-31 13:35

up!!!!!!!!!!!!!




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