〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=多少
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〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=多少
〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=多少
〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=多少
〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=
-3xy(-3x^2y+2x)+xy^2÷〔-3xy〕=
-3x^2y+2x+xy^2 =
x(y^2-3xy+2)
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)答案应为-2x-x*x-3x,
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
因式分解x^3y-6x^2y^2+9xy^3
(3x+2y)(9x²-6xy+4y²﹚
x^2-xy-6y^2+3xy+y+2
〔9x^3y^2-6x^2y+xy^2〕÷〔-3xy〕=多少
3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少?
(9x^2y-6xy^2)/3xy
求x^3 - 6x^2y + 11xy^2 - 6y^3 思路x^3 - 6x^2y + 11xy^2 - 6y^3= x^3 - 3x^2y + 2xy^2 - 3x^2y + 9xy^2 - 6y^3= (x^2 - 3xy + 2y^2)(x - 3y)= (x^2 - 2xy - xy + 2y^2)(x - 3y)(x - y)(x - 2y)(x - 3y)求思路
2x-3y/xy×2x^2y^2/6x-9y
(X-9y)/(6xy^2-(x+3y)/(9x^2y)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
9x^2y+y^3-6xy^2因式分解
因式分解6xy^2-9x^2y-y^3
6xy^2-9x^2y-y^3因式分解
x^2y-6xy^2+9y^3