3/x+1=2y
3+x=2xy
2(x+1)-y=11
2x-y=9------9+y=2x
3+x=(9+y)y------x=(9+y)y-3=0.5(9+y)
(y-0.5)(9+y)=3
做到这里,接下来由楼主自己解答.
2005 江西 解方程组3/x+1=2y 2(x+1)-y=11
2005 江西 解方程组3/x+1=2y 2(x+1)-y=11
数学人气：423 ℃时间：2019-12-10 03:30:40
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