(x+2y)^2 - x^2 - 2xy 因式分解
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(x+2y)^2-x^2-2xy因式分解(x+2y)^2-x^2-2xy因式分解(x+2y)^2-x^2-2xy因式分解(x+2y)^2-x^2-2xy=x^2+4xy+4y^2-x^2-2xy=4y
(x+2y)^2 - x^2 - 2xy 因式分解
(x+2y)^2 - x^2 - 2xy 因式分解
(x+2y)^2 - x^2 - 2xy 因式分解
(x+2y)^2 - x^2 - 2xy
= x^2 + 4xy + 4y^2 -x^2 - 2xy
= 4y^2 + 2xy
= 2y(2y + x)
（x^2+xy/x-y)/（xy/x-y)计算
(-x-y)(x^2+xy+y^2)
化简x^-y^/x^-2xy+y^
2*(x-y)²(y-x)(xy)
x^2-xy/xy-y^2约分
.(x+y-2)(x+y-2xy)+(xy-1)^2
(x^2-xy)y÷y-x/xy怎么做?
代数 x^-y^/ x^-(y-z)^ 除以 x^+2xy+y^/(x-y)^-z^ 乘 x^+xy-xz/x^-xy
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(xy-x²)÷(x²-2xy+y²/xy)×（x-y/x²）
x-y/x²÷x²-2xy+y²/xy*（xy-x²）
X-Y/2X+2Y XY/X+Y²
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（y/(x^2-xy)+x/(y^2-xy))除以(x-y)/(xy)
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]
(x^2+2xy+y^2-4xy)*(x^2-2xy+y^2+4xy)
计算(-xy)(x+2x²y)