求方程组x^3-4x^2-16x+60=y,y^3-4y^2-16y+60=z,z^3-4z^2-16z+60=x,的整

x+y/2=z+x/3+y=z/4,x=2y+3z=60,求x,y,z的值 x+y/2=z+x/3+y=z/4,x+2y+3z=60,求x,y,z的值 方程组:x-2y+4z=0,2x+3y-3z=0...xyz不等于0,求(2x+y-z)\(2x-y+z) 已知x,y,z满足方程组：4x-5y+2z=o;x+4y-3x=0,求x:y:z的值 4x-3y-6z=0,x+2y-7z=0是一个方程组,那么x-y+z/x+y+z的值等于 x=y/z=z/3,x+y+z ＝12,求2x+3y+4z是多少, 方程组｛4x-3y-3z=0,x-3y+z=0,(x.y.z不等于0),求x/z和y/z的值? x/2=y/3=z/4 x+y+z=18 求方程组解 已知方程组2x-3y-4z=0和x+y+z=0,并且z≠0,求x：y与y：z 1.x+y=16,y+z=12,z+x=102.3x-y+z=4,2x+3y-z=12,x+y+z=63.x+y+z=6 3x-y+z=4,2x+3y-z=-31,x+y-z=16三元一次方程组的解 解方程组{3x+y-z=4,2x-y+3z=12,x+y+z=6}