化简~化简~(x²+3x+9/x²-27)+(6x/9x-x²)-(x-1/6+2x)注意了！是三个_数学解答

化简~化简~(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)

人气：248 ℃　时间：2020-03-19 06:38:29

解答

9/x²-27+5/6=9/x²-157/6