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标题: 请帮忙看到题. [打印本页]

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作者: oscarwang    时间: 2008-5-6 05:20
标题: 请帮忙看到题.

what is the total number of integers between 100 and 200 that are divisible by 3?

answer:33

我 一个一个数出来的......

有没有简便的解题方法?请高人指点.

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作者: lambbuffalo    时间: 2008-5-6 06:48
(200-100)/3=33

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