计算(2x^3-3x^2y-2xy^2)-(x^3-2xy^2+y^3)+(-x^3+3x^2y-y^3)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/18 01:47:41
![计算(2x^3-3x^2y-2xy^2)-(x^3-2xy^2+y^3)+(-x^3+3x^2y-y^3)](/uploads/image/z/1260587-11-7.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%882x%5E3-3x%5E2y-2xy%5E2%EF%BC%89-%EF%BC%88x%5E3-2xy%5E2%2By%5E3%EF%BC%89%2B%EF%BC%88-x%5E3%2B3x%5E2y-y%5E3%EF%BC%89)
计算(2x^3-3x^2y-2xy^2)-(x^3-2xy^2+y^3)+(-x^3+3x^2y-y^3)
计算(2x^3-3x^2y-2xy^2)-(x^3-2xy^2+y^3)+(-x^3+3x^2y-y^3)
计算(2x^3-3x^2y-2xy^2)-(x^3-2xy^2+y^3)+(-x^3+3x^2y-y^3)
=2x^3-3x^2y-2xy^2-x^3+2xy^2-y^3-x^3+3x^2y-y^3
=-2y^3
3333
计算:3xy[2xy-x(y-2)+x]
计算3xy[2xy-x(y-2)+x-1]
计算:3xy(x²y-xy²+xy)-xy²(2x-xy+2x)
-2x(3x-7y)+(x-y)(x^2+xy+y^2) 计算
计算(3x^3y-x^2y+1/2xy)÷(-1/2xy)
计算-(x²y+3xy-4)+3(x²y-xy+2)
(x^2+xy/x-y)/(xy/x-y)计算
计算:(5-xy/x^3-x^2y)/(1-5/xy)^2*(y-x)^3
计算:1-2x+x^2/x-x^3*xy+x^2y/x-x^2
计算(3x^2y-xy^2+1/2xy)/(-1/2xy)
计算(-3分之1xy²)²×[xy(2x-y)+xy²]=
计算:(x^2-2xy)/(x^2-3xy+2y^2)-(xy+y^2)/(x^2-y^2)
计算2x*(-3xy)²(-x²y)³
计算:(x^2-y^2/xy)^2/(x+y)^2*(x/x-y)^3
(2X平方y+3xy平方)-(6x平方-3XY平方)(计算)
计算:3x²y×(-2xy³)
计算3x[xy-2x(1/y-x/3]+3y(x²-y²)
xy(2x+y)^2计算