x=10/3,y=19/3
x=6,y=5
x=2,y=-6/5
x=6,y=1
1.{x=y-3 {2x+y=13 2.{x+y=11 {3x-2y=8
1.{x=y-3 {2x+y=13 2.{x+y=11 {3x-2y=8
3.{8x+5y=10 {3x-5y=12
4.{3x+2y=20 {4x-5y=19
3.{8x+5y=10 {3x-5y=12
4.{3x+2y=20 {4x-5y=19
数学人气:446 ℃时间:2020-01-26 06:41:46
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