Question

{(x,y)丨{2x+y=8 x-y=1}

{(x,y)丨{2x+y=8 x-y=1}用列举法解，过程~谢谢了~

Answer 1

2x+y=8
x-y=1
解得：x=3,y=2
所以原集合可表示为：{(x,y)丨(3,2)}