6x-5y=600 5x-6y=60
问题描述:
6x-5y=600 5x-6y=60
答
1式乘5-2式乘6得11y=2640
y=240
x=300
6x-5y=600 5x-6y=60
1式乘5-2式乘6得11y=2640
y=240
x=300