Question 392000
{{{(28t^3u/5rs^2)/(7t^5u^4/15s^5)}}}


{{{(28t^3u)(15s^5)/(5rs^2)(7t^5u^4)}}}


{{{(cross(28)4t^cross(3)cross(u))(cross(15)3s^cross(5)3)/(cross(5)rs^cross(2)(cross(7)t^cross(5)2u^cross(4)3))}}}


{{{(4*3s^3)/(r*t^2u^3)}}}