Question

已知2(x-1)^2+|x+2y+1|=0,求1/2x^2003*y^2010+y

Answer 1

已知2(x-1)^2+|x+2y+1|=0,求1/2x^2003*y^2010+y

只有0+0=0

x-1=0,==>x=1

x+2y+1=0,==>y=-1

1/2x^2003*y^2010+y

=1/2*1-1

=-1/2