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^2-4z+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x,y,z,满足x+y=5,z²=xy+y=9,求x+2y+3Z的值
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x²-6xy+10y²+4y+|z²-3z+2|+4=0,求(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X,Y,Z满足 X²-6XY+10Y²+4Y+∣Z²-3Z+2∣+4=0,求(X+
已知实数x,y,z满足x/(y+z)+y/(z+x)+z/(x+y)=1,求x2/(y+z)+y2/(z+x)+z2/(
已知x,y,z均为实数,且满足:x+2y-z=6,x-y+2z=3.求x+y+z的最小值
实数x、y、z满足x=6-3yx+3y-2xy+2z
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=?