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标题: 请教一个数学题,题目都没有看懂啊!多谢 [打印本页]

作者: dogshead 时间: 2008-8-30 11:47
标题: 请教一个数学题,题目都没有看懂啊!多谢

10、For all x, x is positive integer, "2-height" is defined

to be the greatest nonnegative n of x, what is the

greatest number of 2-height when 2" is the factor of x?

A. 2

B. 12

C. 40

D. 76

E. 90

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