化简(y-x)(z-x)/(x-2y+z)(x+y-2z)+（z-y)(x-y)/(xy-2z)(y+z-2x)+(x-z)(y-_数学解答

化简(y-x)(z-x)/(x-2y+z)(x+y-2z)+（z-y)(x-y)/(xy-2z)(y+z-2x)+(x-z)(y-z)/(y+z-2x)(x-2y+z)
速速回答

人气：438 ℃　时间：2020-01-30 08:15:37

解答

第二个分母写错了?
(y - x)(z - x)/(x - 2y + z)/(x + y - 2z) + (z - y)(x - y)/(x + y - 2z)/(y + z - 2x)
+ (x - z)(y - z)/(y + z - 2x)/(x - 2y + z) =1