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标题: 这道刚考狗题,求解 [打印本页]

作者: yangjuanb    时间: 2010-8-13 01:35
标题: 这道刚考狗题,求解
5. 2^x * 3^y *7^z  is divisible by 168and441, what is the least possible value of xyz?

求这个两数的最小公倍吧。




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