(5x-4y-3xy)+(8x+y-2xy)合并同类项
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(5x-4y-3xy)+(8x+y-2xy)合并同类项(5x-4y-3xy)+(8x+y-2xy)合并同类项(5x-4y-3xy)+(8x+y-2xy)合并同类项13x-3y-5xy
(5x-4y-3xy)+(8x+y-2xy)合并同类项
(5x-4y-3xy)+(8x+y-2xy)合并同类项
(5x-4y-3xy)+(8x+y-2xy)合并同类项
13x-3y-5xy
化简:3x^2-[5xy-(x^y-3xy)+4x^2y-8xy]
计算:(1)8x^2y^2*(-3x/4y^5) (2)(x+y)^2/xy-y^2*(y-x)^2/xy+y^2
x²-y²+5x+3y+4(x+y-2xy)(x+y-z)+(xy-1)²
3(x-y)²-7(x-y)+8(x-y)²+6(x-y)求详细过程(2) 5xy-4x²y-8xy²+3xy-xy²+4x²y
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)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
(5x-4y-3xy)+(8x+y-2xy)合并同类项
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
求(3x^+y^-5xy)-【2x^-(-4xy-y^+7x^)】=?
因式分解 (3x+2y)-(x-y)² x²-xy+3y-3x 2x²+xy-y²-4x+5y-6
诺x+y=6,xy=4 求(5x-4y-3xy)-(8x-y+2xy)
若x+y=-1,则x^4+5x^3y+x^2y+8x^2y^2+xy^2+5xy^3+y^4=( )若x+y=-1,则x^4+5x^3y+x^2y+8x^2y^2+xy^2+5xy^3+y^4=( )
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
已知(x+2)^2+|x+y+5|=0,求3x^2y-[2x^2y-(2xy-x^2y)-4x^2]-xy
因式分解:-x平方+4x-4;8(x平方-2y平方)-x(7x+y)+xy,4x三次方-4x平方y-(x-y),x平方y-5xy平方+6y三次方
x^8-x^7y+x^6y^2-x^5y^3+x^4y^4-x^3y^5+x^2y^-xy^7+y^8因式分解(过程)
已知X-Y=-3,XY=2,求代数式(3X-5Y)-(X-3Y-4XY)
若X分之一减y分之一=3,求(5x+2xy-5y)/(x-4xy-y)