是这个意思吗：z=xF(xy²,(e^x²)y),那么记F=F(xy²,(e^x²)y),F1=dF/d(xy²),F2=dF/d[(e^x²)y],Fx=F1*d(xy²)/dx+F2*d[(e^x²)y]/dx=y²F1+2xy(e^x²)F2Fy=F1*d(xy²...