x=m代入方程得：m²+m-1=0得m²=-m+1故m³+2m²+2013=m(-m+1)+2m²+2013=m²+m+2013=1+2013=2014
m^2+m=1m^3+2m^2+2013=m(m^2+m)+m^2+2013=m^2+m+2013=2014
