解方程组 (1)x²+xy+y²=7 x²-5xy+4y²=0(2)x²-y²=1 (x-y)²-2(x-y)-3=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/21 05:13:16
xWJA~B8ZhW
,H{ɕF[VcMZQ$Wysٰ9YJ/\Hv?3lni8ܽno߬n#F1 ~"'i"4D;TO@É4lET&GlןͿkn3K3D72S%>5BiiUmT87-|ğ
]Fr@J'{.PZ7t*r+I#5Kl okwA%5q-1tpUڕU7֑Q#%7vL%G!c;B*jv˭Fjax\(D2GyjqFn$Wr>AHW%G<#gi
[E,1T\se ,5H\$0Zt'A 9LhmGh
j$`ӹQfI
D"!d)'&s+Z3qwdT襱8|dz8p
pMÃJֿ<6JGzvҺ>>ϪKYIn_v~\[VY p+ dU_ zjEU۪
w.ZͭXf?8`H U`)LpJ2ÊYw ?؏8Xz>j>aiC\6b)]X՚x{;Inoo`(-vu8tM~nkh[Z˰ݸX "QK6'BRRYQCN֚ؗCbتC`Ht UX]X1 0=%qI@ liP*k/)\|-7e*R{s XXy뱣 S