1.(x-y)(x^2+xy+y^2) 2.(3x+2y)(2x+3y)
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1.(x-y)(x^2+xy+y^2)2.(3x+2y)(2x+3y)1.(x-y)(x^2+xy+y^2)2.(3x+2y)(2x+3y)1.(x-y)(x^2+xy+y^2)2.(3x+2y)(2
1.(x-y)(x^2+xy+y^2) 2.(3x+2y)(2x+3y)
1.(x-y)(x^2+xy+y^2) 2.(3x+2y)(2x+3y)
1.(x-y)(x^2+xy+y^2) 2.(3x+2y)(2x+3y)
1.(x-y)(x^2+xy+y^2)
=x³+x²y+xy²-x²y-xy²-y³
=x³-y³
2.(3x+2y)(2x+3y)
=6x²+9xy+4xy+6y²
=6x²+13xy+6y²
1. (x-y)(x^2+xy+y^2) =x^3+y*x^2+x*y^2-y*x^2-x*y^2-y^3=x^3-y^3
2. (3x+2y)(2x+3y)=6x^2+9xy+4xy+6y^2=6x^213xy+6y^2
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
（x^2+xy/x-y)/（xy/x-y)计算
X-Y/2X+2Y XY/X+Y²
因式分解：x×x-xy-2y×y-x-y
1.（xy-1）^2-(x+y-2xy)(2-x-y)2.(x+y)(x+y+2xy)+(xy-1)(xy+1)
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
(x-y)[(x+y)^2-xy]+(x-y)[(x-y)^2+xy]
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x^2y-2xy+y化简
X^Y-2XY^2+y^3