(30x^4y^3-24x^3y^2)/(-6x^2y)
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(30x^4y^3-24x^3y^2)/(-6x^2y)
(30x^4y^3-24x^3y^2+2x^2y)/(-6x^2y)
上面落了以此为准
(30x^4y^3-24x^3y^2+2x^2y)/(-6x^2y)
上面落了以此为准
(30x^4y^3-24x^3y^2)/(-6x^2y)
=6x^3y^2(5xy-4)/(-6x^2y)
=-xy(5xy-4)
=6x^3y^2(5xy-4)/(-6x^2y)
=-xy(5xy-4)
1.((y+2x)(-2x+y)+4(x+2y)^2)/3y 2.(2(x-y)^3-8(x-y)^2(x+y)+6y(
x+y/2+x-y/3=6,4(x+y)-3(x-y)=-20
{(x+y)/2+(x-y)/3=6 4(x+y)-3(x-y)=-20
4(x+y)-3(x-y)=-20,2/x+y+3/x-y=6
{3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1
x^8-x^7y+x^6y^2-x^5y^3+x^4y^4-x^3y^5+x^2y^-xy^7+y^8
(x+3y-4)(2x-y)
x/x-y*y^2/x+y-x^3y2/x^4-y^4/x^2/x^2+y^2
[(x+y)^3]^6-3[(x+y)^3]^6X(x+y)^4X(-x-y)^2
因式分解3x^2(x-y)+6x(y-x)
【2(x-y)^3-8(x-y)^2(x+y)+6y(x-y)^2】/2(x-y)^2=
因式分解 (1)6(x-y)^3-3y(y-x)^2 (2)x(x-y)(a-b)-y(y-x)(