如下面如果有理数x,y满足 (x-1)² + |x-12y+1| =0,则x²+y²=__
如下面如果有理数x,y满足 (x-1)² + |x-12y+1| =0,则x²+y²=__
有理数x,y满足|x+y-3|+(x-y+1)²=0,求(xy²)²X(x²y)
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.
已知有理数xy满足(x²+y²)(x²+y²-1)-6=0,则x²+y
如果有理数xy满足丨x-1丨+(xy-2)²=0 求x和y的值
如果有理数x,y满足(x-1)的平方+x-2y+1的绝对值等于0,则x的平方+y的平方=?
若实数X,Y满足X²+Y²+4X-2Y +1=0,则X²-6X+Y²-2Y的最大
已知实数x,y满足x²+y²-xy+2x-y+1=0 求x y
如果有理数x、y满足|2x-1|+(y+2)^2=0,则xy的值等于几
如果两个有理数满足x+y=0则x和y一定是多少
已知有理数x,y满足xy=4,x+y=7,则x²y+xy²=()?
若有理数X、Y满足x²-4x+y²+6y+13=0,求xy的值