(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)
化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)(x²+3x+9/x²-27)+(6x/...
化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)
(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)
注意了!是三个分式!
(x²+3x+9)/(x²-27)+(6x)/(9x-x²)-(x-1)/(6+2x) 展开
(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)
注意了!是三个分式!
(x²+3x+9)/(x²-27)+(6x)/(9x-x²)-(x-1)/(6+2x) 展开
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