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标题: [求助]GWD5--25 [打印本页]

作者: hedgeforfun 时间: 2006-1-1 20:44 标题: [求助]GWD5--25

Q25:

If x is the product of the positive integers from 1 to 8, inclusive, and if i, k, m, and p are positive integers such that x = 2i3k5m7p, then i + k + m + p =

A. 4
b. 7
c. 8
d. 11
e. 12

作者: wanders 时间: 2006-1-1 21:48

分解因式即可

1*2*3*4*5*6*7*8=2^7*3^2*5^1*7^1

i+k+m+p=7+2+1+1=11

作者: hedgeforfun 时间: 2006-1-10 18:51

many thanks !!!!

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