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标题: a DS [打印本页]

作者: zhouyang1999 时间: 2003-1-8 02:04 标题: a DS

if b is he product of three consecutive positive intergers c, c+1, and c+2, is b a multiple of 24
1) b is a multiple of 3
2)c is odd

answer is A
but i think shuld b, cos when c is odd, the product can never be divided evenly by 24, there4, answer the question

solicit ur comments

作者: kitten369 时间: 2003-1-8 03:23

if c=23 b is a multiple of 24.
My answer is E

For 1 if c=3 b is not multiple of 24

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