arcsin3/5
    49.71×π/4 (〖0.025〗^2-〖0.02〗^2)/(π×0.025×0.0025)
    2.598+47.11
    2.812+94.22
    97.498-39.53
    (39.53-25)×5×1.112×10^(-5)
    0.009×210000×194000 (1.112×10^(-5) (39.53-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    0.018×210000×194000 (1.112×10^(-5) (39.53-25)-1.153×10^(-5) (97.498-25))/(210000×0.018+194000×0.009)
    (59.75+19.31)/2
    35-373.56×(1/5272.72+5.28×10^(-4) )×58.51
    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)

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