总述：本次共解1题。其中
           ☆算术计算1题

〖1/1算式〗
    作业：求算式 2×19.3×8.03×2.7+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7 的值.
    题型：数学计算
    解:
          2×19.3×8.03×2.7+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7
        =38.6×8.03×2.7+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7
        =309.958×2.7+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7
        =836.8866+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7
        =836.8866+6×43.49×1.5+2×2.45×8.03×1.2+1000×2.7
        =836.8866+260.94×1.5+2×2.45×8.03×1.2+1000×2.7
        =836.8866+391.41+2×2.45×8.03×1.2+1000×2.7
        =836.8866+391.41+4.9×8.03×1.2+1000×2.7
        =836.8866+391.41+39.347×1.2+1000×2.7
        =836.8866+391.41+47.2164+1000×2.7
        =836.8866+391.41+47.2164+2700
        =1228.2966+47.2164+2700
        =1275.513+2700
        =3975.513
    答案:2×19.3×8.03×2.7+2×3×43.49×1.5+2×2.45×8.03×1.2+1000×2.7=3975.513

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