97.5-373.56×(1/643.23+1.72×10^(-4) )×58.51
    0.55×(462+3)/(2×3)
    49.31×π/4 (〖0.025〗^2-〖0.02〗^2)/(π×0.025×0.0025)
    2.598+46.71
    2.812+93.42
    97.498-40.09
    (40.09-25)×5×1.112×10^(-5)
    (39.49-25)×5×1.112×10^(-5)
    0.009×210000×194000 (1.112×10^(-5) (40.09-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    0.009×210000×194000 (1.112×10^(-5) (39.49-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    0.018×210000×194000 (1.112×10^(-5) (40.09-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    0.018×210000×194000 (1.112×10^(-5) (39.49-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    (60.53+19.64)/2
    97.5-365.86×(1/643.23+1.72×10^(-4) )×58.51
    97.5-365.86×(1/620.79+1.72×10^(-4) )×58.51
    (287.51+760.5)×1.15×1
    (1458.22+760.5)×1.15×1
    (0.5×0.139×11(14+1)×720×〖0.2639〗^2)/2
    (0.5×0.705×11(14+1)×720×〖0.2639〗^2)/2
    〖5757.81〗^(-0.228)

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