3a-3b/10ab · 25a^2b^3/a^2-b^2x^2-4y^2 / x^2+2xy+y^2 ÷ x+2y / 2x^2+2xy
问题描述:
3a-3b/10ab · 25a^2b^3/a^2-b^2
x^2-4y^2 / x^2+2xy+y^2 ÷ x+2y / 2x^2+2xy
答
3a-3b/10ab · 25a^2b^3/a^2-b^2
x^2-4y^2 / x^2+2xy+y^2 ÷ x+2y / 2x^2+2xy