方程组x+y+z=6 2x-3y-2z=-10 x+4y-4z=-3怎么解?

方程组：{x+y-z=6,x+z=16,x-y+2z=17 方程组3x+y+2z=10,2x+3y-z=9,x+y+z=6 3x-y+z=3,2x+3y-z=12,x+y+z=6解方程组 解方程组x+y+z=6 x+2y-3z=4 2x-y+z=5 方程组3x-y-z=9,2x+y-2z=6,x+y+z=15 求适合方程组 3x+2y-z=4 2x-y+2z=6 x+y+z 解方程组{3x+y-z=4,2x-y+3z=12,x+y+z=6} 解方程组2x+3y-z=12,3x-y+z=4,x+y+z=6 方程组 3X-Y+Z=10 X+2Y-Z=6 X+Y+Z=12 解方程组：x+y+z=4,x+y+2z=5,3x+y-z=6 x+y+z+2,4x+2y+z+2,9x+3y+z=6解方程组 已知x、y、z满足方程组：x+y-z=6；y+z-x=2；z+x-y=0 求x、y、z的值 已知X.Y.Z满足方程组,X+y-Z=6y+z-x=2z+x-y=0求X.Y.Z的值 解三元一次方程组：x+y+z=6,y-z=4,x-y-2z=3, 方程组{x/2+y/3-z=-5,x/3-y/2+z/2=10,x/2-y/3-z/4=6,求x,y,z 已知方程组{2x-3y+z=0 且x*y*z不等于0 求 x：y：z {3x-2y-6z=0 4x-3y-6z=0,x+2y-7z=0是一个方程组,那么x-y+z/x+y+z的值等于 已知方程组4x-y+3z=0 2x+y+6z=0且xyz不等于0,则x/y+y/z+z/x是多少