俊狼猎英团队为您解答

m是方程x²+x-1=0的根,
∴m^2+m-1=0,
m^2=1-m——降次法.
m^3+2m^2+2011
=m*(1-m)+2(1-m)+2011
=m-m^2+2-2m+2011
=-(1-m)-m+2013
=-1+m-m+2013
=2012.