(3/4x^3y^3z^3-1/3x^2y^2z+1/2xy)/1/12xy

问题描述:

(3/4x^3y^3z^3-1/3x^2y^2z+1/2xy)/1/12xy

原式=(3/4x^3y^3z^3)× 12/(xy) -(1/3x^2y^2z)× 12/(xy)+(1/2xy)× 12/(xy)
=9x²y²z³ - 4xyz + 6