(x+y)^2-10(x+y)^2+25
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25(x-y)*2+10(y-x)+125（x-y)^2+10(y-x)+1
x-y/x-x+y/y-(x+y)(x-y)/y² y/x=2
化简y(x+y)+(x+y)(x-y)-x^2
(x-y)^2+10(y-x)+25因式分解 （x-y）²-10（y-x）+25（x-y）²+10（y-x）+25只要结果
(x+y)(x-y)-(x-y)^2如题 (x+y)(x-y)-(x-y)^2
【2(x-y)(x-y)(x-y)-8(x-y)(x-y)(x+y)+6y(x-y)(x-y)]/2(x-y)(x-y)
因式分解x(x+y)(x-y)-x(x+y)^2
(2x-y)^2-10(2x-y)+25 因式分解
(x+y)^2-10(x+y)^2+25
（x+y)^2-10(x+y)+25因式分解
25(y-x)^2+10(y-x)+1,因式分解
25（x+y)^2+10(y-x)+1=?因式分解
25(x-y)^2+10(y-x)+1=
25(X-Y)^2+10(x-y)+1?
计算（x+y）^2+10（y-x）+25
(x－y)^2－10(y－x)+25
（x+y）^2+10（x+y）+25
[(x-y)^2-(x+2y)(x-2y)]/y