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 7.280673*ln457.968+2×-1.434148×10^(-3)×457.968+3/2×2.3482926×10^(-6)×(457.968)^2+4/3×-1.0484129×10^(-9)×(457.968)^3 的值.
    题型：数学计算
    解:
          7.280673*ln457.968+2×-1.434148×10^(-3)×457.968+3/2×2.3482926×10^(-6)×(457.968)^2+4/3×-1.0484129×10^(-9)×(457.968)^3
        =7.280673*ln457.968+2×-1.434148×10^(-3)×457.968+3/2×2.3482926×10^(-6)×(457.968)^2+4/3×-1.0484129×10^(-9)×(457.968)^3
        =7.280673*ln457.968+2×-1.434148×10^-3×457.968+3/2×2.3482926×10^(-6)×(457.968)^2+4/3×-1.0484129×10^(-9)×(457.968)^3
        =7.280673*ln457.968+2×-1.434148×10^-3×457.968+3/2×2.3482926×10^-6×457.968^2+4/3×-1.0484129×10^(-9)×(457.968)^3
        =7.280673*ln457.968+2×-1.434148×10^-3×457.968+3/2×2.3482926×10^-6×457.968^2+4/3×-1.0484129×10^(-9)×(457.968)^3
        =7.280673*ln457.968+2×-1.434148×10^-3×457.968+3/2×2.3482926×10^-6×457.968^2+4/3×-1.0484129×10^-9×457.968^3
        =7.280673*6.126799+2×-1.434148×10^-3×457.968+3/2×2.3482926×10^-6×457.968^2+4/3×-1.0484129×10^-9×457.968^3
        =7.280673*6.126799+2×(-1.434148)×0.001×457.968+3/2×2.3482926×10^(-6)×457.968^2+4/3×(-1.0484129)×10^(-9)×457.968^3
        =7.280673*6.126799+2×(-1.434148)×0.001×457.968+3/2×2.3482926×0.000001×457.968^2+4/3×(-1.0484129)×10^(-9)×457.968^3
        =7.280673*6.126799+2×(-1.434148)×0.001×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×10^(-9)×457.968^3
        =7.280673*6.126799+2×(-1.434148)×0.001×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×457.968^3
        =7.280673*6.126799+2×(-1.434148)×0.001×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+2×(-1.434148)×0.001×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+(-2.868296)×0.001×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+(-0.002868)×457.968+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+(-1.313452)+3/2×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+1.5×2.3482926×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+3.522439×0.000001×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+0.000004×209734.689024000021163+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+0.838939+4/3×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+0.838939+1.333333×(-1.0484129)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+0.838939+(-1.397884)×0.000000001×96051776.062943249940872
        =44.60722+-1.313452+0.838939+-0×96051776.062943249940872
        =44.60722+-1.313452+0.838939+-0
        =43.293768+0.838939+-0
        =44.132707+-0
        =44.132707
    答案:7.280673*ln457.968+2×-1.434148×10^(-3)×457.968+3/2×2.3482926×10^(-6)×(457.968)^2+4/3×-1.0484129×10^(-9)×(457.968)^3=44.132707

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