m²-2+1/m²=9 m²+1/m²=?
m²-4m+4/m²-1÷m-2/m+1+2/m-1,其中m=2
当m=1/2时,求15m²-9-{-4m²+[5m-8m²-(2m²-m)+9m
化简求值(m+2/m²-2m)-(m-1/m²-4m+4)÷(m-1/m) 其中m=4
已知m²+2m+1=0,求m³+2m²+3m
先化简,再求值,m²-m分之m²-2m+1,其中m=92
m³+2m²=m+m² m(m²+m)+m²拆开后应为m³+
m²-2+1/m²=9 m²+1/m²=?
m²-m-1=2 m等于多少?
m²-2m-1=2
(m²-2m+1/m²-1+m²-m/m)÷(1+m/2,其中m=-3)
若m²+m-1=0,则m^4+m³-m²+2012
若m²+m-1=0,则m²+2m²+2011=________