(-2m+1)(3m-2) .
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(-2m+1)(3m-2).(-2m+1)(3m-2).(-2m+1)(3m-2).原式=-2m(3m-2)+1*(3m-2)=-6m²+4m+3m-2=-6m²+7m-2(-2m
(-2m+1)(3m-2) .
(-2m+1)(3m-2) .
(-2m+1)(3m-2) .
原式=-2m(3m-2)+1*(3m-2)
=-6m²+4m+3m-2
=-6m²+7m-2
(-2m+1) (3m-2)=-2m(3m-2)+(3m-2)=-6m^2+4m+3m-2=-6m^2+7m-2
(-2m 1)(3m-2)
=-6m² 4m 3m-2
=-6m² 7m-2
{[(1.5m+1.8m)×2+(4.5m×2m)]×(3.6m-0.15m)-0.8m×2m-1.5m×0.5m-1.0m×0.5m}×4间×3层+[(4.827m×2+2.4m×2m)×(3.6m-0.15m)-1.0m×2.1m×2面-1.0m×2.1m-1.2m×0.6m-1.2m×1.8m]×2层 +(6.387m+4.435m+6m+2.247m+2.247m×2+1.2m×2+3m×2)×(3.6m-0.15m)-1.2
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