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谢谢各位了, 我只是不太明白24 是怎么回事,能麻烦给解释一下么? 谢谢
24.For all x, x is positive integer, \"2-height\" is defined to be the greatest nonnegtive n of x, what is the greatest number of 2-height when 2^n (2的n次方) is the factor of x?
A. 2
B. 12
C. 40
D. 76
E. 90
C. 40(各选项质因数分解后,指数最大者) |
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