由X+2Y+4z=0,X-3Y-2X=0,得出X=3Y,Z=-5/4Y,则X:y:z=12:4:(-5)
已知x+2y+4z=0 x-3y-2x=0 则x:y:z=
7个回答
相关问题
-
已知x+2y-4z=0,3x-y-z=0,则3x+2y+z/x+2y+z=
-
已知{4x-3y-6z=0、x+2y-7z=0,则x-y+z:x+y+z=
-
已知2x-4y-5z=0,-3x+y+4z=0 (xyz≠0)则x/y/z=?
-
已知2x-4y-5z=0,-3x+y+4z=0,(xyz≠0)则x:y:z=________
-
已知4x-3y-6z=0,x+2y-7z=0.则x:y:z=_:_:_
-
已知方程组4x-3y-6z=0,x+2y-7z=0,且z≠0,则x+y+3z/4x-y-5z=( )
-
已知3x+4y+5z=0,2x+3y-4z=0,求(x+y+z)/(x-y+z)
-
已知2X-Y+Z=0.X+3Y-4Z=0,求x :y :z
-
已知x:y=2:3,y:z=0.2:0.3,则x:y:z=?
-
已知x+4y-3z=0 4x-5y+2z=0(xyz≠0) 则x:(-2x):3y 为________.