来自高以仁的问题
解方程组(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=咦题目格式……(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=
解方程组(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=
咦题目格式……
(x+y)/6-(x-y)/4=0
(2x-y)/3+(x-2y)/2=9
x=y=


解方程组(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=咦题目格式……(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=
解方程组(x+y)/6-(x-y)/4=0(2x-y)/3+(x-2y)/2=9x=y=
咦题目格式……
(x+y)/6-(x-y)/4=0
(2x-y)/3+(x-2y)/2=9
x=y=
(x+y)/6-(x-y)/4=0即5y-x=0即35y-7x=0
(2x-y)/3+(x-2y)/2=9即7x-8y=54
两个式子加起来27y=54
y=2x=10