1/(m2-m)+(m-5)/(2m2-2) y/(x+y)+xy/(y2-x2)(a+5)/(5a-20)+5/(a2-9a+20)1/(x-3)-6/(x2-9)-(x-1)/(6+2x)注:2在字母后面的是平方.
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 16:50:56
xRN0~>]&R`4{P31`a:tIS_B;'TTЊ1LV=grbЍ%>4ZYsh.p@SΑ~eռ?Epmv>n0O4Tɦ2GSJTW"0DG<:>qT!IIڏxDpR9P`HʒQf݀edm97p2G9B'a_qz:7*_(~w'Wx>}