①(x²-6x+6)/(x²-1)▪(x²+x)/(x-3)②（xy-x²）÷(x-y)/xy③[(x²-y²)/y]²÷(x²+xy)³▪[xy/(y-x)]²④[(x²+2x-3)/(9-x²)]³▪[-(x-3)/(1-x)]²
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/29 13:14:55
x){4qFY>klifbd
Ѯ k>J]=e*5+* M\
7BkWBX u0*5A,Kk5@35J M\ 7Hd%J"^]
C~"}ՉǓPT)4
_`g3#Ɏs]tg3ֿlZ|y Of>;ɎYg$ACɞN|:a96UZr z>{Oz6u@$ 7Q@