1)x=2,F(75)=237.5,x=1,F(50)=125,x=.8,F(38)=110.2)x=2,F(75)=248.7

Thank you, let me check again,
1)y=(100x-50)/x, y>=0
2)y=(100x-100)/x, y>=0
The numbers -100=Gain.

所有跟帖： 

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