[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/05 04:57:17

[x(x^2y^2-xy)-y(x^2-x^3y)]/(3x^2y)
={x[xy(xy-1)]-y[x²(1-xy)]}/(3x²y)
=[x²y(xy-1)-yx²(1-xy)]/(3x²y)
=[x²y(xy-1)+yx²(xy-1)]/(3x²y)
=[x²y(xy-1)+x²y(xy-1)]/(3x²y)
=[2x²y(xy-1)]/(3x²y)
=[2(xy-1)]/3

[x(x^2y^2-xy)-y(x^2-x^3y)]/3x^2y (x+y)(x-y)-(2xy+3y)平方 1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y) 化简：x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y) (x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y) 急![(3x+y)²-3(3x-y)(x+y)-(x-3y)(x+3y)]÷(2xy) 因式分解：x×x-xy-2y×y-x-y 计算(x^8-x^7y+x^5y^3-x^4y^4+x^3y^5-x^y^7+y^8)(x^2+xy+y^2) x^8-x^7y+x^6y^2-x^5y^3+x^4y^4-x^3y^5+x^2y^-xy^7+y^8 计算：（x^2-y^2/xy)^2/(x+y)^2*(x/x-y)^3 x(x^2y^2-xy)-y(x^2-x^3y) 计算3x[xy-2x(1/y-x/3]+3y(x²-y²)