(y/6x^2)^2/(-y^2/4x)^2
问题描述:
(y/6x^2)^2/(-y^2/4x)^2
答
=y²/36x^4 ×(16x²/y的4次方)
=4/(9x²y²)
(y/6x^2)^2/(-y^2/4x)^2
=y²/36x^4 ×(16x²/y的4次方)
=4/(9x²y²)