已知x²+3xy-4y²=0,试求(x-y)/(x+y)的值

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/08 05:34:45
xRN@ML ֠.`/!(p5B运< RFya̙93cZ$!J^H;m13 ",rwik[xLBN^(Y2fL祁DbeʚtlaNT@i"5Pf yPBrJ48Dg~>)UG7yDzMwM[ߗn&. v8whb|>: 3rRUjel7ch!q^t Vi@p\ABu z4Suz^K{Ix%t?̲1o 'aɃ+K %-<Á6s'Kg$R