三元一次方程组6道-
数学老师疯了--20道剩下几道实在懒得想了帮帮做下哈(x-2y=-9y-8=32z+x=47)(3x+2y+z=14y+z+x=10z+2x+3y=15)(y=2x-75x+3y+2z=23x-4z=4)(3x-y+z=32x+y-3z=11x+y+z=12)(5x-4y+4z=132x+7y-3x=193x+2y-z=18)(3x-y+z=42+3y-z=12x+y+z=6)六道