作业帮(x+y)^2-(x+y)^3 .(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3
来源：学生作业帮助网 编辑：作业帮 时间：2024/04/30 03:22:04
(x+y)^2-(x+y)^3 .(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3
(x+y)^2-(x+y)^3 .
(x+y)^2-(x+y)^3
(x-y)^2-(x-y)^3
(x+y)^2-(x+y)^3 .(x+y)^2-(x+y)^3(x-y)^2-(x-y)^3
(x+y)^2-(x+y)^3
=(1-x-y)(x+y)^2
(x-y)^2-(x-y)^3
==(1-x+y)(x-y)^2
你要求啥？
(x+y)^2-(x+y)^3
=(1-x-y)(x+y)^2
(x-y)^2-(x-y)^3
=(1-x+y)(x-y)^2
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
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
2X(2X-3Y)-3Y(X+Y)
(-2x y)^2-(3y-x)(-x-3y)
（x+2y)^2-(x+y)(3x-y)
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(x-y)^3×（x-y)^2×(y-x)