求解二元一次方程组120/(x+y) + 80/(x-y)=1630/(x+y) + 60/(x-y)=8120/(x+y) + 80/(x-y)=1630/(x+y) + 60/(x-y)=8
2022-11-21 22:21:48 15次 反馈错误 加入收藏 正确率 : 100%
题目内容：
求解二元一次方程组120/(x+y) + 80/(x-y)=1630/(x+y) + 60/(x-y)=8
120/(x+y) + 80/(x-y)=16
30/(x+y) + 60/(x-y)=8
本题链接：
