1.0×1.0×1.1×0.45×10^(-3)×1400×1550×√((2+0.6×0.7948)×√40×0.005189×250)
    1.0×1.0×1.1×0.45×10^(-3)×1400×1330×√((2+0.6×0.9263)×√40×0.004031×250)
    ((20+8)×6.16)/(140×155)
    ((20+8)×6.16)/(140×133)
    330×20×616×10^(-6)×(1550-140.73/2)
    18.4×1400×140.73/330
    46.21×2.17×75+46.66×2.17×75+46.21×848.69
    92.87×1.5×25
    337254.54/[（75-25）×3.14
    2.81×2681.85×（75-45）×105%
    705156.15/[（100-80）×3.14]
    05156.15/[（100-80）×3.14]
    2.71×4956.29×（75-25）×105%
    （4100.23*2312.2）/（4.195*（45-25））
    11610181.72/2119.3
    10900675.64+1211186.18-501680.10
    10900675.64/9
    （455.58*4.174*75+4428.24*2312.2）*1.05
    4555.81×4.195×25×105%
    555.81×4.195×25×105%

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