作业帮设m^2+m-1=0,求m^3+2m^2+2004的值m^2+m-1=0,求m^3+2m^2+2004的值各位帮帮小弟我吧!
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设m^2+m-1=0,求m^3+2m^2+2004的值m^2+m-1=0,求m^3+2m^2+2004的值各位帮帮小弟我吧!
设m^2+m-1=0,求m^3+2m^2+2004的值
m^2+m-1=0,求m^3+2m^2+2004的值
各位帮帮小弟我吧!
设m^2+m-1=0,求m^3+2m^2+2004的值m^2+m-1=0,求m^3+2m^2+2004的值各位帮帮小弟我吧!
m^2+m-1=0
m^2+m=1
m^3+2m^2+2004
=(m^3+m^2)+m^2+2004
=m(m^2+m)+m^2+2004
=m+m^2+2004
=1+2004
=2005