计算:(x-y)∧3 × (y-x)∧2 × (y-x)∧5

计算 （-x+y）∧4×（x-y）∧2×(y-x)∧3 计算:(x-y)∧3 × (y-x)∧2 × (y-x)∧5 计算:(x+3y)(2x-y) 计算:(2x-3y)(x+y) 计算:(-x-2y) * (3x-y) 计算：(x+y)-3(x-2y). 计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x 计算(x+y)(x+y)^2(-x-y)^3 3x(x-y)+2y(x-y) 计算 计算：x+2y/x-y+2x/y-x-3y/x-y 计算（-x-2y）∧2-（x-y+3）（x+y-3）-（2y-x）（x+3y）, 计算:y×(y/x)^3÷[-(x^2)/y]^-2 计算：y(x-y)^2+(y-x)^3=? 计算（2x-3y)(x+4y)-(3x+y)(x-2y)（2x-3y)(x+4y)-(3x+y)(x-2y) 计算：x(x-3y)(5x-2y) 计算:(2x-3y)^2+(x-y)(x+y)+(2x+3y)^2 计算 ：(2x-y)(2x+y)-(3x-2y)(-3x-2y) [(2x+y)(x-3y)+y(x+3y)]÷(2x)计算,