计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2)

计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2) 计算(x+y)(x-y)(x+y)3次方(x-y)5次方计算(x+y)×(x-y)×(x+y)3次方×(x-y)5次方 计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x 计算 x(x-3y) 计算:1/(x-y)-1/(x+y)-2y/(x^2+y^2)-4y^3/(x^4+y^4)-8x^7/(x^8+y^8) 计算：x(x-3y)(5x-2y) 计算 x(x-3y)(x-5y) 3x+2=y 5X+4=Y 7X+6=Y 9X+8=y 11x=y要如何计算 （x-y)^2+7(x+y)-11(x-y)^2-8(X+Y)的计算过程 计算：(x-y)^7÷(y-x)^6+(-x-y)^3÷(x+y)^2 计算(x-y)^7÷(y-x)^6+9-x-y)^3÷(x+y)^2 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). (3x-4y)(5x-4y)-(7x-8y)(6y-5x) 计算3x-2y-(9x-7y)+2(4x-5y) 计算 3x+4y/x-y+3y/y-x-4x/x-y