若2x-3y+z=0,3x-2y-6z=0,且xyz不等于0,求x²+y²+z²除以2x&
八年级下册数学若2x-3y+z=0,3x-2y-6z=0,且xyz不等于0,求2x²+y²-z&su
已知4x-3y-6z=0,x+2y-7z=0,xyz≠0,求2x²+3y²+6z²除以x&
已知实数X,Y,Z满足 X²-6XY+10Y²+4Y+∣Z²-3Z+2∣+4=0,求(X+
1、 已知:2x-3y+z=0,3x-2y-6z=0,xyz≠0,求x²+y²+z²/2x
已知x²+y²+z²=2x+6y+8z-26,求分式xyz/x²+y²
已知x²+y²+z²-2x+4y-6z+14=0,求代数式(x-y-z)²&or
求有理数XYZ,使其满足方程:12(X+Y-5)²+3(2Y-6)²+(Z+X)²=0
1.已知3x-4y-z=0,2x+y-8z=0.求x²+y²+z²/xy+yz+2xz 的
已知2x-3y+z=0 3y-2y=6z 且xyz≠0求xy+yz+xz分之x²+y²+z²
若/x+2y-5/+(2y+3z-13)²+(3z+x-10)²=0,试求x,y,z的值.
1.若/x-3/+(2x-y)²+根号y+z=0,求x,y,z的值.
已知X²+y²+z²—2x+4x-6z+14=0,求x+y+z的值.