你可能感兴趣的试题
x-2y+3z+6=0 x+2y+3z+6=0 2x-y-3=0 x-2y+3z-6=0
x+3y-2z-6=0 x+3y-2z=0 x-3y-2z-6=0 x-3y-2z=0
3x+2y+7z=0 3x-2y+7z=0 3x-2y-7z=0 x-2y+7z=0
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
f(x,y)=3(x+y)+32xy f(x,y)=3(x+y)-32xy f(x,y)=3(x+y)-16xy f(x,y)=3(x+y)+16xy
x-3y-2z=0 x+3y-2z-6=0 x-3y+2z+4=0 x+3y+2z-2=0
x-z-2=0 x+z=0 x-2y+z=0 x+y+z=1
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
3x+2y+7z=0 3x-2y+7z=0 3x-2y-7z=0 x-2y+7z=0
x-y+z=-2 x+y+z=2 x-2y+z=-3 x-y-z=0
2x-2y-z-3=0 2x-2y+z-5=0 2x+2y-z+1=0 2x+2y+z-1=0
3x+2y+7z=0 3x-2y+7z=0 3x-2y-7z=0 x-2y+7z=0
x-3y-2z=0 x+3y-2z-6=0 x-3y+2z+4=0 x+3y+2z-2=0
x+3y-2z-6=O x+3y-2z=0 x-3y-2z-6=0 x-3y-2z=0