13x^2-6xy+y^2-4x+1=0,求(x+y)^13*x^10的值
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
13x^2-6xy+y^2-4x+1=0,求(x+y)^13*x^10的值
已知13X^2-6XY+Y^2-4x+1=0,求(x+y)^13乘以x^10
已知:13x^2-6xy+y^2-4x+1=0,求(x+y)^2013*x^2011
已知13x^2-6xy+y^2-4x+1=0,求(x^2-xy)^5的值
已知13x^2-6xy+y^2-4x+1=0,求(xy-x^2)^3的值.
已知13X^2-6XY+Y^2-4X+1=0,求(XY-X^2)^5的值.
已知实数xy满足x^2+y^2-6x+4y+13=0求x^y的值
已知x,y满足x^2+y^2-4x-6y+13=0,求(-y/x^3)^3/(-1/xy)^4*(x/y^2)^2的值.
已知13X^2-6XY+Y^2-4x+1=0,求(x+y)^9乘以x^10的值.
1.已知13x^2-6xy+y^2-4x+1=0,求(xy-x^2)^5的值.2.已知x-y-z=17,x^2+y^2+
已知x^2+y^2-4x+6y+13=0求(xy+y^2/5x^2-5xy+xy+y^2)·(5/x+y)-(y/x-y