x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于
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![x*y*z不等于0则x-2y+3z=0\2x-3y+4z=0可得x:y:z等于](/uploads/image/z/805819-67-9.jpg?t=x%2Ay%2Az%E4%B8%8D%E7%AD%89%E4%BA%8E0%E5%88%99x-2y%2B3z%3D0%5C2x-3y%2B4z%3D0%E5%8F%AF%E5%BE%97x%3Ay%3Az%E7%AD%89%E4%BA%8E)
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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