(x+3y)(x^2+9y^2)(x-3y)帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/26 12:54:45
(x+3y)(x^2+9y^2)(x-3y)帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢(x+3y)(x^2+9y^2)(x-3y)帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢(x+3
(x+3y)(x^2+9y^2)(x-3y)帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢
(x+3y)(x^2+9y^2)(x-3y)
帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢
(x+3y)(x^2+9y^2)(x-3y)帮帮忙,我很急,请在今天给我答复,O(∩_∩)O谢谢
=(x+3y)(x-3y)(x^2+9y^2)
=(x^2-9y^2)(x^2+9y^2)
=x^4-81y^4
(x+3y)(x^2+9y^2)(x-3y)
=(x+3y)(x-3y)(x^2+9y^2)
=(x^2-9y^2)(x^2+9y^2)
=x^4-81y^4
x(x-y)2-(y-x)3
[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
计算2/3x-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+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
3(x+y)-2(x-y)=11 4(x+y)+3(x-y)=9
4(x-y)-3(x-y)=9 5(x-y)+2(x-y)=11
81/8*(-x-y)^6*(x-y)^3*4/9(x+y)^4*(y-x)^2
计算(x-y)^7÷(y-x)^6+9-x-y)^3÷(x+y)^2
x^3y^2+6x^2y+9x
化简：x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
2X(2X-3Y)-3Y(X+Y)
(-2x y)^2-(3y-x)(-x-3y)
（x+2y)^2-(x+y)(3x-y)
计算(x+y)(x+y)^2(-x-y)^3