若实数xy满足4x²+y²-4x²+6y+10=0,求x²+y²的值
若实数xy满足4x²+y²-4x²+6y+10=0,求x²+y²的值
若实数XY满足方程X²-XY-2Y²+5x-4y+6=0试求x²+y²的最小值
求满足方程式5x²-12xy+10y²-6x-4y+13=0的实数,x、y的值
若实数x,y满足2x²-6xy+9y²-4x+4=0,求根号y的值.
若有理数X、Y满足x²-4x+y²+6y+13=0,求xy的值
已知非零有理数x,y满足x²-4xy+4y²=0,求x-y/x+y-y-x/x+y的值.
实数x,y满足x²+y²+8x+6y+25=0,求x²+4xy+4y²分之x
实数x y满足x≥y≥1和2x²-xy-5x+y+4=0求x+y之值
若实数x、y满足4x²+y²-4x+6y+10=0,求x²+y²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xy,满足10x²-2xy+y²+6x+1=0,求x+y
已知实数x,y满足x²-3xy+3y²+4x-18y+52=0求y的x次方的个位