把x=1代入ax-1=2(x-b)中得a-1=2(1-b),即a+2b=3.(1)把y=1代入b(y-3)=2(1-a)中得-2b=2-2a,即a-b=1.(2)解(1)(2)得a=5/3,b=2/3代入y=ax^2+bx-3中得y=(5/3)x^2+(2/3)x-3把x=-3代入y=(5/3)x^2+(2/3)x-3中得y=10...