[a*3*(5-b)-2]=0 or [a*3*(5-b)-b)]=0.It can't get answer.Only bot

It is why a,b are complex numbers, f(0)is not decided.

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5 -乱弹- 给 乱弹 发送悄悄话 乱弹 的博客首页 (0 bytes) () 07/12/2011 postreply 20:13:46

愿闻其详. -jinjing- 给 jinjing 发送悄悄话 (0 bytes) () 07/13/2011 postreply 05:18:53

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