英国转运公司价格:一道数学 不是应用题 很急用
来源:百度文库 编辑:中科新闻网 时间:2024/05/31 06:41:39
去括号,合并同类项
(x^3-3x^2y+3xy^2)-(x^3-3x^2y-3xy^2-y^3)
(x^3-3x^2y+3xy^2)-(x^3-3x^2y-3xy^2-y^3)
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3
6x^2y+y^3