x+2y=3 x+y+z=36 2x+y+z=15 2y=3z x-y=1 x+2y+z x-z=-1 2x+z-y=18 x+y+2z=17x+2y=3 2y=3z x-y=-1x+y+z=36 x-y=1 2x+z-y=18 2x+y+z=15 x+2y+z=16 x+y+2z=17

分类: 作业答案 • 2021-12-19 16:58:55

问题描述：

x+2y=3 x+y+z=36 2x+y+z=15 2y=3z x-y=1 x+2y+z x-z=-1 2x+z-y=18 x+y+2z=17
x+2y=3 2y=3z x-y=-1
x+y+z=36 x-y=1 2x+z-y=18
2x+y+z=15 x+2y+z=16 x+y+2z=17

答