解方程组x+2y+3z=10,x-y+4z=10,x+3y+2z=2.
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解方程组x+2y+3z=10,x-y+4z=10,x+3y+2z=2.
![解方程组x+2y+3z=10,x-y+4z=10,x+3y+2z=2.](/uploads/image/z/1240178-50-8.jpg?t=%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84x%2B2y%2B3z%3D10%2Cx-y%2B4z%3D10%2Cx%2B3y%2B2z%3D2.)
x=-34,y=4,z=12
已知,方程组:4x-3y-7z=0 x+2y=10z 则(x-y+z)÷(x+y+z)=——
解三元一次方程组{2x+y=10,x-y+z=4,3x-y-z=0
解方程组{2x+3y+z=11,x+y+z=0,3x-y+z=-2.
解方程组{3x+y-z=4,2x-y+3z=12,x+y+z=6}
解方程组x-4y+z=-3,2x+y-z=18,x-y-z=7.
x+y/2=z+x/3+y=z/4,...x+y+z=27.解方程组.
解方程组:x+y+z=4,x+y+2z=5,3x+y-z=6
解方程组x+2y+3z=10,x-y+4z=10,x+3y+2z=2.
三元一次方程组数学题x+2y+2z=33x+y-2z=72x+3y-2z=10x-y=2z-x=3y+z=-1x-y-z
解三元一次方程组:x+y+z=6,y-z=4,x-y-2z=3,
解三元一次方程组:(1)x+2y+3z=11x-y+4z=10x+3y+2z=2(2)x:y=3:5y:z=5:6x+y
解方程组:{x/2=y/3=z/4 2x+y+z=22