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标题: 问一道PROBLEM SOLVING [打印本页]

作者: kitcat    时间: 2002-11-19 21:38     标题: 问一道PROBLEM SOLVING

B是三个连续正整数c,c+1,c+2的乘积,B是24的倍数吗?
条件1:B是3的倍数
条件2:c是奇数。
我说做不出来的,答案说条件1可以做出。WHY?
作者: sunboat    时间: 2002-11-19 21:58

I agree with you (E).
1.B=2x3x4=24 but B=3x4x5 not multiple of 24
2.B=3x4x5 not multiple of 24, but B=7x8x9 is multiple of 24.




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