标题: a question [打印本页] 作者: ll-lotus 时间: 2002-11-24 22:32 标题: a question
What is the meaning of the problem?
N is the sum of the first K consecutive positie integers, where 101<=K<=150, what is the sum of 1/?[/U][em08]作者: tongxun 时间: 2002-11-24 22:57
K个连续的正整数的和是N，而K 的取值范围是101-150，问？
是问1/N 吧？
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