已知m^2+1/m-1=0,则m^2+2m^2+2004=?不对,不对,应该是:m^2+m-1=0,则吗m^3+2m^2+2004的值为多少?
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已知m^2+1/m-1=0,则m^2+2m^2+2004=?不对,不对,应该是:m^2+m-1=0,则吗m^3+2m^2+2004的值为多少?已知m^2+1/m-1=0,则m^2+2m^2+2004=
已知m^2+1/m-1=0,则m^2+2m^2+2004=?不对,不对,应该是:m^2+m-1=0,则吗m^3+2m^2+2004的值为多少?
已知m^2+1/m-1=0,则m^2+2m^2+2004=?
不对,不对,应该是:
m^2+m-1=0,则吗m^3+2m^2+2004的值为多少?
已知m^2+1/m-1=0,则m^2+2m^2+2004=?不对,不对,应该是:m^2+m-1=0,则吗m^3+2m^2+2004的值为多少?
以知条件可以推出m^2+m=1
m^3+2m^2+2004=m(m^2+m)+m^2+2004
=m+m^2+2004
=2005
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m^2+m-1=0
m^2+m=1
m^3+2m^2+2004
=m(m^2+m+m)+2004
=m(1+m)+2004
=m^2+m+2004
=1+2004
=2005
m^2+m-1=0
m^2=1-m
m^3+2m^2+2004=mXm^2+2-2m+2004=m(1-m)+2-2m+2004=m-m^2-2m+2006=m-1+m-2m+2006=2005
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