若m²+m-1=0,则m³+2m²+2010=?
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若m²+m-1=0,则m³+2m²+2010=?
若m²+m-1=0,则m³+2m²+2010=?
若m²+m-1=0,则m³+2m²+2010=?
m²+m-1=0
m²+m=1
m³+2m²+2010
=m(m²+m)+m²+2010
=m+m²+2010
=1+2010
=2010
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