m²+m-1=0.求m³+2m²+2008
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m²+m-1=0.求m³+2m²+2008m²+m-1=0.求m³+2m²+2008m²+m-1=0.求m³+2m&su
m²+m-1=0.求m³+2m²+2008
m²+m-1=0.求m³+2m²+2008
m²+m-1=0.求m³+2m²+2008
M3+2M^2+2008
=M(M^2+M-1)+M^2+M+2008
=M(M^2+M-1)+M^2+M-1+2009
=2009
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