18y(x-y)∧2-12(x-y)∧3=6(x-y)∧2_________________ 填空题 因式分解 快 一分钟之内

12y(x-y)^2-8(x-y)^3=? 3x+y=2 -y/x+y=123x+y=2 （-y/x）+y=12 18y(x-y)∧2-12(x-y)∧3=6(x-y)∧2_________________ 填空题 因式分解 快 一分钟之内 18(x+y)^8(x-y)^7÷[3(x+y)^3(x-y)^3]^2 [12(x+y)^3+3(x+y)(x-y)^2]÷6(x+y) 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) 12（x+y）^3（y-x）/【4（x+y）^2(x-y)】 3x(x-y)^2 ,18y(y-x)^3 12(x-y)^4 的公因式3x(x-y)^2,18y(y-x)^3,12(x-y)^4的公因式 x(x-y)2-(y-x)3 计算 （-x+y）∧4×（x-y）∧2×(y-x)∧3 计算:(x-y)∧3 × (y-x)∧2 × (y-x)∧5 (3x+2y)^2-9(x-y)^2(18x^2-12xy+2y^2)/(3x-y) 3(x-y)²×[-4/15(y-x)³][-3/2(x-y)∧4] -2(x-y)^3+12(y-x)^2-18x+18y [(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y) 计算：x+2y/x-y+2x/y-x-3y/x-y 化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方 x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2