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标题: GMATPrep MATH 的一题 [打印本页]

作者: sunjueliang 时间: 2006-1-11 07:16 标题: GMATPrep MATH 的一题

For all positve integers m, (m) = 3m when m is odd and (m) =1/2m when m is even, which of the following is equivalent to (9) X (6)

Answers : 81 , 54, 36, 27 ,18

I chose 81.. But answer says 27... I don't think the answer is right... Can anyone confirm?

作者: leadership 时间: 2006-1-11 21:23

(9)= 3*9

(6)= 6*1/2

3*9*3=81

应该是把.

作者: sunjueliang 时间: 2006-1-13 20:38

thanks !!!!

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