已知x²-xy-2y²=x-2y,且x-2y≠0,则:(1)x+y=_______(2)若题中x、y满足等式x²+y²-9x+5y+26=0,请确定x、y的值.

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/02 16:29:13
xTn@*U'i=J~@̎%B&t' y@I}mr= j,,y{ιg핊gK&$sd:VJ޷m *t;AT* :NkohLز :.YY/:B'(ͻ(Ք-$'u%EyIM#Qb*]Ă/aA8v 7 &No 6*yuV- ԬLcڅT+QEj+291$l"9a$O,ŊR ^}ۢS_G~ Tghb#I%xx5QD!nMQnc/"Yc4I._'9s Sf~9n Lf-P ?v6=M6'/HvS&.B)-ьe\Ga !mw}Q`p*;e