0.797×4320/〖192.83〗^2 ×(13538×560)/2342086.57 [√(1+((192.83×12.5)/(4.4×560))^2 )+0]×1
    0.69+0.13×0.82
    (6125×12.5)/(166×560)
    6125/31.763
    6125/31.763
    9.752-8.007
    (45.5×10^3)/(0.957×3555.5×215)+(1.0×5.2×10^6)/(1.05×236865.58×(1-(0.8×45.5)/6478.23)×215)
    (π^2×2.06×10^5×3555.5)/(1.1×〖31.85〗^2 )
    2600/81.62
    9.752-7.269
    (104.5×10^3)/(0.996×3555.5×215)+(0.85×4.1×10^6)/(1.05×236865.58×(1-(0.8×104.5)/131472.87)×215)
    (π^2×2.06×10^5×3555.5)/(1.1×〖7.07〗^2 )
    577/81.62
    4.427-4.059
    7*lg1000-6
    7*lg2100-6
    7*lg2300-6
    0.125*0.2
    e(-250176.4/8.314/398)
    503*19880715705765

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