(0.5×11/3)^2011×(-2×3/11)^2012
=(0.5×11/3)^2011×(-2×3/11)^2011×(-2×3/11)
=(0.5×11/3×负2×3/11)^2011×(-2×3/11)
=(-1)^2011×(-2×3/11)
=6/11(0.5×11/3)^2011×(-2×3/11)^2012=(0.5×11/3)^2011×(-2×3/11)^2011×(-2×3/11)这里为什么有多加×(-2×3/11)??=(0.5×11/3×负2×3/11)^2011×(-2×3/11)=(-1)^2011×(-2×3/11)=6/11(-2×3/11)^2012=(-2×3/11)^2011×(-2×3/11)