4*X+3*Y+3/1*Z=100 X+Y+Z=100 问X=多少Y=多少Z=多少要解题过程.
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x+y/2=z+x/3=y+z/4 x+y+z=27
x+2y=3x+2z=4y+z 求x:y:z
4x+y+z=-3 2x+3y-4z=-10 x+2y-z=-1
x-y-z=1 2x+y-3z=4 3x-2y-z=-1
已知4x-3y-3z=0 x-3y-z=0 (1)求x:y:z
{3X+2Y+Z=4X+Y+Z=102X+3Y-Z=1
x+y-z=6 x-3y+2z=1 3x+2y-z=4 阿
x+y-z=6,x-3y+2z=1,3x+2y-z=4
x+y+z=-5,3x+y+z=1,4x+3y+2z=-2快
3x+2y+z=4 x+y+z=10 2x+3y-z=1
x+y-z=6 x-3y+2z=1 3x+2y-z=4
3X+Y+Z=0,2X-Y+3Z=1,X+2Y-Z=4
x+y-z=6 x-3y+2z=1 3x+y-z=4
x+y+z=2 4x+2y+z=4 2x+3y+z=1
x-y+z=-1 5x+2y-z=6 4x-3y+2z=-5
3x-y+2z=-1 4x+y+z=5 x-2y-z=-2
x+y+z=-1 4x-2y+3z=5 y-z=8-2x
x+y+z=1 4x+5y-z=6 x+2y-z=3