m^2+m+1=0,则m^3+2m^2+2010=?
2个回答
m^3+2m^2+2010
=(m^3+m^2-m)+m^2+m+2010
=m(m^2+m-1)+m^2+m-1+2011
=m·0+0+2011
=2011
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