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+y)^2013*x^2011
已知x*x-4xy+4y*y=0 求[2x(x+y)-y(x+y)]/(4x*x-4xy+y*y)的值?
已知13X^2-6XY+Y^2-4x+1=0,求(x+y)^13乘以x^10
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
已知(x+2)^2+|x+y+5|=0,求3x^2y-[2x^2y-(2xy-x^2y)-4x^2]-xy
已知3x^2+xy-2y^2=0,求{(x+y)/(x-y)+4xy/(y^2-x^2)}/{(x+3y)*(x-y)}
已知x²+y²-8x+6y+25=0,求(x-y+4xy/x-y)(x+y-4xy/x+y)
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x^2+y^2+x^2y^2-4xy+1=0 求(x-y)^2008-(xy)^2008
已知X²+Y²+X²Y²-4XY+1=0 求:(X-Y)^2008-(XY)^2