标题:
ask for help!!!!! jijing
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作者:
betty_lee
时间:
2003-3-26 00:01
标题:
ask for help!!!!! jijing
ps。f(ab) = f(a)f(b), 问以下选项哪个满足此式 a)f(x)=x+1 b) f(x)= 2/x
c) f(x) = 根号x.
any tips?? thanks a lot!![em00]
作者:
tongxun
时间:
2003-3-27 01:10
liangqi:you are a very kind person。
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