若x,y满足3x^2+2y^2=6x,求z=x^2+y^2值域
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
已知有理数x,y,z满足|x-z-2|+|3x-6y-7|+(3y+3z-40)^2=0,求x,y,z的值
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
已知x,y,z满足方程组{x+y-z=6,y+z-x=2,z+x-y=0,求x,
已知实数x,y,z,满足那么x+y=6,z^2=xy-9,求(x+y)^z
若x、y、z满足2x+3y+z=18,4x-3y+5y=24,求x+3y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
若X.Y.z满足2X+3Y+z=18,4X-3Y+5z=24,求X+3Y的值
若有理数x、y、z满足等式(x-1)^2+(2x-y)^4+|x-3z|=0,求x、y、z的值
若有理数x,y,z满足等式:(x-1)的平方+(2x-y)的平方+|3x-z|=0,求x+y+z的值
如果|x+y+z-6|+|2x+3y-z-12|+|2x-y-z|=0求x,y,
设Z=X+Y,其中X,Y满足X+2Y>=0,X-Y