求算[(3x-y²/2)+3y(x-y/12)]/[(2x+y)²-4y(x+y/4)]

问题描述:

求算[(3x-y²/2)+3y(x-y/12)]/[(2x+y)²-4y(x+y/4)]

(3x -y^2 /2 +3xy -y^2/4)/(4x^2 +y^2 +4xy -4xy -y^2)
=(3x-3y^2/4 ) / (4x^2)
=你说的是啥??(3x - 3/4 * y平方)/(4x平方)