x^3＋y^3

分解因式(x+y)3次方－y(x+y)平方＋x平方(y+x)分解因式(x+y)3次方－y(x+y)平方＋x平方(y+x)分解因式(x+y)3次方－y(x+y)平方＋x平方(y+x)(x+y)^3-y(x+y)^2+x^2(y+x)=(x+y

(3x-y)(3y+x)-(x-y)(x+y)(3x-y)(3y+x)-(x-y)(x+y)(3x-y)(3y+x)-(x-y)(x+y)(3x-y)(3y+x)-(x-y)(x+y)=9xy+3x²-3y²-xy-(x

3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?3y/x*x

x(x-y)2-(y-x)3x(x-y)2-(y-x)3x(x-y)2-(y-x)3（x-y）(2x+3)

多项式因式分解,(1)y(x-y)+x(x-y)(2)y(x-y)+x(y-x)(3)a(x-y)^2-b(y-x)^2(4)a(x-y)^3-b(y-x)^3(5)a^2b(a-b)-ab^2(a-b)多项式因式分解,(1)y(x-y)+

（y-x)+x(x-y)^3-(y-x)^4因式分解（y-x)+x(x-y)^3-(y-x)^4因式分解（y-x)+x(x-y)^3-(y-x)^4因式分解题目抄错吗

已知XY.Y=-3,求-XY(X.X.X.Y.Y.Y.Y.Y.Y.Y-3.X.X.Y.Y.Y.Y.Y-Y)的值.（过程完整）已知XY.Y=-3,求-XY(X.X.X.Y.Y.Y.Y.Y.Y.Y-3.X.X.Y.Y.Y.Y.Y-Y)的值.（过

[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x[2/3x-2/x+y(x+y/3x-x-y)]/x-y/x看不懂,分式不好看,不知道分子分母是多少,你重新写一下,必要

化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x化简3x-2/(x+y)[(x+y)/3x-x-y]÷(x-y)/x(3x-2)/(x+y)*[(x+y

化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x化简：{2/3x-2/(x+y)[(x+y)/3x-x-y]}/(x+y)/x{2/

计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x计算2/3x-2/x+y(x+y/3x-x-y)/x-y/x原式=[2/3x-2(x+y)(1/3x-1)/(x+y)]

计算3x+4y/x-y+3y/y-x-4x/x-y计算3x+4y/x-y+3y/y-x-4x/x-y计算3x+4y/x-y+3y/y-x-4x/x-y3x+4y/x-y+3y/y-x-4x/x-y=(3x+4y)/(x-y)-3y/(x-y

3x+4y/x-y+3y/y-x-4x/x-y3x+4y/x-y+3y/y-x-4x/x-y3x+4y/x-y+3y/y-x-4x/x-y=(3x+4y)/(x-y)-3y/(x-y)-4x/(x-y)=[(3x+4y)-3y-4x]/(x

[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)[(3x+y)(x-y)-(2x+3y)(x-y)]*(x-y)=(x-y)[(3x+y)-(2x+3y)]*(

x(4y-x)(x-3y)+y(3y-x)(x-4y)因式分解x(4y-x)(x-3y)+y(3y-x)(x-4y)因式分解x(4y-x)(x-3y)+y(3y-x)(x-4y)因式分解（x＋y）（4y－x）（x－3y）

/x/=3/y/=4求x＋y/x/=3/y/=4求x＋y/x/=3/y/=4求x＋y 

（2x-y）乘（2x＋y）＋（2x-y）乘（y-4x）＋2y（y-3x）（2x-y）乘（2x＋y）＋（2x-y）乘（y-4x）＋2y（y-3x）（2x-y）乘（2x＋y）＋（2x-y）乘（y-4x）＋2y（y-3x）（2x-y）乘（2x＋y

计算：x+2y/x-y+2x/y-x-3y/x-y计算：x+2y/x-y+2x/y-x-3y/x-y计算：x+2y/x-y+2x/y-x-3y/x-y原式=(x+2y)/(x-y)-2x/(x-y)-3y/(x-y)=(x+2y-2x-3y

化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方化简:(x-3y)(x+y)-(x-2y)(x+2y)-(x-y)平方(x-3y)(x+y)-(x-

（x+y-5)*（x+y-5)+（x-y+3)=0x*x-y*y（x+y-5)*（x+y-5)+（x-y+3)=0x*x-y*y（x+y-5)*（x+y-5)+（x-y+3)=0x*x-y*y这是什么题目?用比较直接的方法吧由题意知x+y=