[()-3x^2]/()=4x^2y^2-3xy+6x
由3x^2/()=6x.可得
()=x/2
所以,原式可还原至
[()-3x^2]/(x/2)=4x^2y^2-3xy+6x
()/(x/2)=4x^2y^2-3xy
()=2x^3y^2-3x^2y/2
所以原式为
[2x^3y^2-3x^2y/2-3x^2]/(x/2)=4x^2y^2-3xy+6x
检验正确
[()-3x^2]/()=4x^2y^2-3xy+6x
由3x^2/()=6x.可得
()=x/2
所以,原式可还原至
[()-3x^2]/(x/2)=4x^2y^2-3xy+6x
()/(x/2)=4x^2y^2-3xy
()=2x^3y^2-3x^2y/2
所以原式为
[2x^3y^2-3x^2y/2-3x^2]/(x/2)=4x^2y^2-3xy+6x
检验正确