整数x,y满足x²-y²=2xy,求x-y/x+y的值
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,整数x、y满足x²+xy+2y²=7,求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.
正整数x,y满足x2-y2=2xy,求x-y/x+y的值
已知x,y满足x(+1)-(x²+2y)=1,求x²+4xy+4y²-2x+4y的值.
正数x,y满足x^2-y^2=2xy,求(x-y)/(x+y)的值
若正数x,y满足x平方-y平方=2xy,求x-y除以x+y的值
正数x、y满足x平方减去y平方=2xy,求(x-y)/(x+y)的值
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
已知实数x、y满足x²﹢y²-xy+2x-y+1=0,试求x、y的值