x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于

x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于
x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于

x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于
x-2y+3z=0 ①
2x-3y+4z=0 ②
①*2-②,-y+2z=0,y=2z
带入①,x-4z+3z=0,x=z
x:y:z=1:2:1