1.已知x,y,z满足2│x-y│+(根号2y-z)+z平方-z+(1/4)=0,求x,y,z值.

1.已知x,y,z满足2│x-y│+(根号2y-z)+z平方-z+(1/4)=0,求x,y,z值. 已知x、y、z满足方程组：x+y-z=6；y+z-x=2；z+x-y=0 求x、y、z的值 已知实数x,y,z满足丨4x-4y=1丨=1/3（根号2y+z）+z平方-z+1/4=0.求（y+z）×x的平方的值 已知XYz满足|X-Y|/4+z^2-z+1/4+根号2y+z=0,求(y+z)的值. 若实数x,y,z,满足 2|x-y|+根号2y+z+(z-1\2)的平方等于0,求x+y+z的值. 已知x,y,z满足方程组｛x+y-z=6{y+z-x=2{z+x_y=0,求x,y,z的值 已知实数x,y,z满足：|4x-4y+1| + 1/3根号2y+z +z的平方- z + 1/4 = 0,求(y＋z)乘 已知实数x,y,z,满足x²+4y²+根号-z²=2x+4y-2,求x+2y-z的平方 已知x.y.z满足方程组x+2y-4z=0 2x+y-5z=0 求x:y:z的值 已知X、Y、Z满足2X-Y+4Z=8(1);X-2Y-Z=7(2)求X-Y-Z的值 1 已知想x,y,z满足2x-y+4z=8,x-2y-z=7,求x-y+z的值 已知x,y,z满足x+y+2z=1,x²+y²+6z+1.5=0,求x,y,z的值