实数x、y、z同时满足x^3+y=3x+4;2y^3+z=6y+6;3z^3+x=9z+8
已知x,y,z为实数,满足x+2y-z=6x-y+2z=3
实数x、y、z满足x=6-3yx+3y-2xy+2z
已知实数x,y,z满足x²-6xy+10y²+4y+|z²-3z+2|+4=0,求(x+y
已知有理数x、y、z满足条件|x-z-2|+(3x-6y-7)^2+|3y+3z-4|=0,求x、y、z
对满足(x+y)/2=(y+z)/3=(z+x)/7的任意实数x,y,z
设x.y.z满足3x=4y=6z(x.y.z都是指数)求证
已知实数x,y,z满足:3x-y-3z=0和x-6y+6z=0(z≠0),则代数式x+y+z/x-y+z的值等于
已知实数x,y,z满足关系式2x-3y-z=0,x-2y+z=0,求x比y比z的值
已知实数 x y z 满足x+y-z=0 ,3x-y+2z=0 则x :y :z
试证明(x+y-2z)+(y+z-2x)+(z+x-2y)=3(x+y-2z)(y+z-2x)(z+x-2y)
已知实数X,Y,Z满足 X²-6XY+10Y²+4Y+∣Z²-3Z+2∣+4=0,求(X+
已知x,y,z,同时满足方程x+3y-5z=0,2x-y-3z=0求x:y:z的值