化简分式.x-y分之﹙y-x﹚³=______.x²-9分之9-6x+x²=_____.
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![化简分式.x-y分之﹙y-x﹚³=______.x²-9分之9-6x+x²=_____.](/uploads/image/z/1662904-64-4.jpg?t=%E5%8C%96%E7%AE%80%E5%88%86%E5%BC%8F.x%EF%BC%8Dy%E5%88%86%E4%B9%8B%EF%B9%99y%EF%BC%8Dx%EF%B9%9A%26%23179%3B%EF%BC%9D______.x%26%23178%3B%EF%BC%8D9%E5%88%86%E4%B9%8B9%EF%BC%8D6x%EF%BC%8Bx%26%23178%3B%EF%BC%9D_____.)
化简分式.x-y分之﹙y-x﹚³=______.x²-9分之9-6x+x²=_____.
化简分式.x-y分之﹙y-x﹚³=______.x²-9分之9-6x+x²=_____.
化简分式.x-y分之﹙y-x﹚³=______.x²-9分之9-6x+x²=_____.
x-y分之﹙y-x﹚³=_-(x-y)²_____.
x²-9分之9-6x+x²=___(x-3)/(x+3)__.
x-y分之﹙y-x﹚³=x-y分之-﹙x-y﹚³=-﹙x-y﹚²
x²-9分之9-6x+x²=(x+3)(x-3)分之x²-6x+9=(x+3)(x-3)分之(x-3)²
=(x+3)分之(x-3)