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{3x-2y=3,2x+2y=17 {4x-2y=14,5x+y=7 {x+3y=6,2x-3y=3 {2x+3y=11,y-2x=1 {2a-3b=2,5a-2b=5 {2(m-1)=3(n+2),2(n+3)=3(1-m) {y-x/7-x+y/6=1/2,5(x+y)-2(x+y)=-1 {x+y=8,5x-2(x+y)=-1
题目内容：
{3x-2y=3,2x+2y=17 {4x-2y=14,5x+y=7 {x+3y=6,2x-3y=3 {2x+3y=11,y-2x=1 {2a-3b=2,5a-2b=5 {2(m-1)=3(n+2),2(n+3)=3(1-m) {y-x/7-x+y/6=1/2,5(x+y)-2(x+y)=-1 {x+y=8,5x-2(x+y)=-1
{3x-2y=3,2x+2y=17 {4x-2y=14,5x+y=7 {x+3y=6,2x-3y=3 {2x+3y=11,y-2x=1 {2a-3b=2,5a-2b=5 {2(m-1)=3(n+2),2(n+3)=3(1-m) {y-x/7-x+y/6=1/2,5(x+y)-2(x+y)=-1 {x+y=8,5x-2(x+y)=-1
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