已知m²+m=1,
則m³+2m²+2004
=m(m²+m)+m²+2004
=m+m²+2004
=1+2004
=2005
已知m²+m=1,則m³+2m²+2004=?
已知m²+m=1,則m³+2m²+2004=?
數(shù)學(xué)人氣：891 ℃時(shí)間：2020-02-05 08:53:34
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