作者cherylhua (好久没上来ㄌ...)
看板GMAT
标题[计量] PP看到的题目~请大家帮忙一下~谢谢
时间Wed Feb 25 18:23:02 2009
The function f is defined for all positive intergers n by following rule:
f(n)is the number of positive intengers each of which is less than n
and has no positive factor in common with n other than 1
If p is any prime num.
f(p)=?
1.p-1
2.p-2
3.p+1/2
4.p-1/2
5.2
我看不懂题目~~当然也就不会算!!>"<
希望各位大大能给我解答呀!!
不好意思~这是我第一次在这po问题~~希望大家互相帮忙唷~~
谢谢~
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