[可乐泡儿]

①x+y+z=1
x+2y+z-w=8
2x-y-3w=3
3x+3y+5z-6w=5
②x+y+z=5
2x+y-z+w=1
x+2y-z+w=2
y+2z+3w=3
谢谢大佬