化简分式① 2x³(y-x)³/4y(x-y)²①2x³(y-x)³/4y(x-y)²②-x²+ 6x-9/x²-9
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![化简分式① 2x³(y-x)³/4y(x-y)²①2x³(y-x)³/4y(x-y)²②-x²+ 6x-9/x²-9](/uploads/image/z/1015706-2-6.jpg?t=%E5%8C%96%E7%AE%80%E5%88%86%E5%BC%8F%E2%91%A0+2x%26%23179%3B%EF%BC%88y-x%EF%BC%89%26%23179%3B%2F4y%EF%BC%88x-y%EF%BC%89%26%23178%3B%E2%91%A02x%26%23179%3B%EF%BC%88y-x%EF%BC%89%26%23179%3B%2F4y%EF%BC%88x-y%EF%BC%89%26%23178%3B%E2%91%A1-x%26%23178%3B%2B+6x-9%2Fx%26%23178%3B-9)
化简分式① 2x³(y-x)³/4y(x-y)²①2x³(y-x)³/4y(x-y)²②-x²+ 6x-9/x²-9
化简分式① 2x³(y-x)³/4y(x-y)²
①2x³(y-x)³/4y(x-y)²
②-x²+ 6x-9/x²-9
化简分式① 2x³(y-x)³/4y(x-y)²①2x³(y-x)³/4y(x-y)²②-x²+ 6x-9/x²-9
①-y²(x-y)/2
②- x-3/x+3