(x^2y/4a)^2 / (-y/2ax)^2 * (-2x/ay)^4

问题描述:

(x^2y/4a)^2 / (-y/2ax)^2 * (-2x/ay)^4

(x^2y/4a)^2 / (-y/2ax)^2 * (-2x/ay)^4
= x^4y^2/16a^2*4a^2x^2/y^2*a^4y^4/16x^4
=a^4x^2y^4/64