Question 638833
{{{(x^-2*y^3)*(2x^4*y^-2)}}}

{{{(1/x^2)*y^3*2x^4*(1/y^2)}}}


{{{(y^3*2x^4)/(x^2y^2)}}}



{{{(y^cross(3)^1*2x^cross(4)^2)/(cross(x^2)1cross(y^2)1)}}}


{{{y*2x^2}}}