【约分】(x-y)/(y-x)^3
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【约分】(x-y)/(y-x)^3
【约分】(x-y)/(y-x)^3
【约分】(x-y)/(y-x)^3
-1/(y-x)^2
【约分】(x-y)/(y-x)^3
约分2(x-y)^3/(y-x)
(y-x)²/2x(x-y)约分
约分:2(x-y)^3/y-x
约分3(x-y)/(y-x)^2
x-y/(y-x)^3约分
约分:x²-y²/(x-y)²
2(y-x)³/x-y,约分
约分:3(x-y)²/18(y-x)³
约分:(1)-4x^2y^3/10xy^4(2)(x^2-4xy+4y^2)(y-x)/(2y-x)(x^2-y^2)
约分 题目-(x+y)(x-y)^2 /(y+x)(y^2-x^2)
(x²y-y²)/(y-x)还能约分吗?原题是这样的
2(x-y)^2/6(y-x)^3约分
约分:y-x/x²-y²
XX-YY/(X-Y)(X-Y)约分
约分x^2-(y-z)^2/(x+y)^2-z^2 约分x^2-(y-z)^2/(x+y)^2-z^2
分式约分 2x(x-y)分之(y-x)²
约分:(x²-4)/(xy+2y)