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标题: 请问处理类似问题有何好办法? [打印本页]

作者: xshaolong    时间: 2006-1-16 01:58     标题: 请问处理类似问题有何好办法?

请问类似下面的问题有何办法能够快速解决?多谢!

If an integer n is to be chosen at random from the integers 1 to 96, inclusive, what is the probability that n(n + 1)(n + 2) will be divisible by 8?


A. 1/4 B. 3/8 C. 1/2 D. 5/8 E. 3/4





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