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 54/3×2.7940778×10^(-10)×(1027.6)^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059 的值.
    题型：数学计算
    解:
          54/3×2.7940778×10^(-10)×(1027.6)^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059
        =54/3×2.7940778×10^(-10)×(1027.6)^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059
        =54/3×2.7940778×10^-10×1027.6^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059
        =54/3×2.7940778×10^-10×1027.6^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059
        =54/3×2.7940778×10^-10×1027.6^3-5/4×2.940654×10^-14×1027.6^4-30.005059
        =54/3×2.7940778×0.0000000001×1027.6^3-5/4×2.940654×10^(-14)×1027.6^4-30.005059
        =54/3×2.7940778×0.0000000001×1085106304.575999736785889-5/4×2.940654×10^(-14)×1027.6^4-30.005059
        =54/3×2.7940778×0.0000000001×1085106304.575999736785889-5/4×2.940654×0.00000000000001×1027.6^4-30.005059
        =54/3×2.7940778×0.0000000001×1085106304.575999736785889-5/4×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =18×2.7940778×0.0000000001×1085106304.575999736785889-5/4×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =50.2934×0.0000000001×1085106304.575999736785889-5/4×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =0×1085106304.575999736785889-5/4×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =0-5/4×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =0-1.25×2.940654×0.00000000000001×1115055238582.297119140625-30.005059
        =0-3.675817×0.00000000000001×1115055238582.297119140625-30.005059
        =0-0×1115055238582.297119140625-30.005059
        =0-0-30.005059
        =0-30.005059
        =-30.005059
    答案:54/3×2.7940778×10^(-10)×(1027.6)^3-5/4×2.940654×10^(-14)×(1027.6)^4-30.005059=-30.005059

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