你可能感兴趣的试题
2x-2y-z-3=0 2x-2y+z-5=0 2x+2y-z+1=0 2x+2y+z-1=0
-3x+4y-6z＝0 -2x+3y-z＝0 14x+9y-z-15＝0 -5x+7y-7z＝0
x+y-4z+2=0 x-y-4z+2=0 x+y-4z-2=0 x-y-4z-2=0
2x -y+2z =0 2x-y+2z=16 4x-3y+6z=42 4x-3y+6z=0
x=y=(3−z)/2 x-1=y-1=(z−1)/2 x-1=(y−1)/−1 =(z−1)/ −2 x-1=y-1=(z−1)/−1
x+2y+3z-6=0 x+2y+3z+6=0 2x-y-3=0 x-2y+3z-6=0
2x-2y-z-3=0 2x-2y+z-5=0 2x+2y-z+1=0 2x+2y+z-1=0
2x+4y+z=11 -2x-4y+z=-1 2x-4y-z=-15 2x-4y+z=-5
x-3y-2z=0 x+3y-2z-6=0 x-3y+2z+4=0 x+3y+2z-2=0
x+2y+3z+6=0 x+2y+3z-6=0 x-2y+3z+6=0 x-2y+3z-6=0
x+y+z=0 x+y+z=1 x+y+z=2 x+y+z=3
x-y+z=-2 x+y+z=2 x-2y+z=-3 x-y-z=0
z=2(x2+y2) 4x2+4y2+z2=36 x2+y2-2z2=1 
2x+4y+z=11 -2x-4y+z=-1 2x-4y-z=-15 2x-4y+z=-5
2x-2y-z-3=0 2x-2y+z-5=0 2x+2y-z+1=0 2x+2y+z-1=0
-2x-4y+z=-1 2x-4y-z=-15 2x+4y+z=11 2x-4y+z=-5
x-3y-2z＝0 x+3y-2z-6＝0 x-3y+2z+4＝0 x+3y+2z-2＝0
2x-y+2z=0 2x-y+2z=16 4x-3y+6z=42 4x-3y+6z=0
湘公网安备 43130202000226号