已知实数x、y、z满足x^2-6xy+10y^2+4y+|z^2-3z+2|+4=0 ,求(x+y)^z的值

已知实数x,y,z,满足那么x+y=6,z^2=xy-9,求(x+y)^z 已知实数x,y,z满足x=6-y,z^2=xy-9,求证：x=y 已知实数x .y.z.满足2^x=3^y=6^z 求证:xy+yz=xz 已知实数x,y,z满足x=6-y,z^2-4z+4=xy-9,求x,y,z的值 已知实数x,y,z满足x=6-y,z^2-4z+4=xy-9,求x,y,z的值. 已知实数xy满足x+2y 已知实数xy满足 x+y-2 已知实数x,y,z满足x=6-y,z²=xy-9,求证：x=y 已知实数x,y,z满足x+y=6,z的平方=xy-9,求证x=y 已知实数x,y,z满足x+3y=6,2xy-z^2=6,求x、y、z的值 已知实数xyz满足:x+y=6,z2=xy-9,则z= 已知xyz为实数,且满足x+y=6,z^2=xy-9,z=()A.+1或-1B.0C.1D.-1 已知实数x、y、z满足(x²-6xy+10y²+4y)y²+4y+|（z-3／2）²-1／4|+4=0求（x+y）²的值 已知实数x,y,z满足x+y=5,z^2=xy+y-9,那么x+2y+3z=?我很着急 已知实数x,y,z满足x-y=5,z^2=-xy-y-9,求x-2y+3z的值 已知实数x.y.z满足x+y=5及z的2次方=xy+y-9则x+2y+3z=? 已知实数x,y,z满足x+y=5,z^2=xy+y-9,那么x+2y+3z=? 已知实数x,y,z,满足x+y=5,z²=xy+y=9,求x+2y+3Z的值