(3x^2/4y)^2*2y/2x+(x^2/2y)^2/2y^2/x
问题描述：
(3x^2/4y)^2*2y/2x+(x^2/2y)^2/2y^2/x
答
(3x²/4y)²*2y/2x+(x²/2y)²/2y²/x
=9/16*x^3/y+x^3/(8y^4)