整数x,y满足10x²+y²+6xy++15<8x,求x+y的值.希望能写下具体过程(因为这是道填空
整数x,y满足10x²+y²+6xy++15<8x,求x+y的值.希望能写下具体过程(因为这是道填空
整数x,y满足x2-y2=2xy,求x-y/x+y的值
若正数x,y满足x²-y²=2xy,求(x-y)/(x+y)的值
正数x,y满足x²-y²=2xy,求x-y/x+y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.
已知x,y满足y²=2x+6y-x²-10,求代数式xy/x+y的值
若有理数X、Y满足x²-4x+y²+6y+13=0,求xy的值
若是数xy满足x²+4x+y²-6y+13=0,求x,y的值
已知,整数x、y满足x²+xy+2y²=7,求x、y的值.
已知xy=8满足x.x.y-x.y.y-x+y=56.求x.x+y.y的值
若整数x,y满足x²+4x+y²-6y+13=0,求x,y的值
若整数 x,y 满足x²+4x+y²-6y+13=0,求x , y的值.