-0.057×8.11×2.7^2=
    -0.0829×8.11×2.7^2=
    0.26+2.52×0.2=
    2.52+0.26×0.2=
    0.0038×7.733×2.7^2+0.0174×0.375×2.7^2=
    0.04×7.733×2.7^2+0.0965×0.375×2.7^2=
    -0.0569×8.11×3.9^2=
    -0.0832×8.11×3.9^2=
    1.18+5.30×0.2=
    5.30+1.18×0.2=
    0.0091×7.733×3.9^2+0.0188×0.375×3.9^2=
    0.0405×7.733×3.9^2+0.0936×0.375×3.9^2=
    90+arctan(14*1.25)+arctan(14*0.175)-arctan(14*0.1)-arctan(14*0.01)-arctan(14*0.02)-arctan(14*31.25)-arctan(14*0.0292)
    90+arctan(15*1.25)+arctan(15*0.1888)-arctan(15*0.1)-arctan(15*0.01)-arctan(15*0.02)-arctan(15*31.25)-arctan(15*0.0236)
    90+arctan(15.9*1.25)+arctan(15.9*0.1988)-arctan(15.9*0.1)-arctan(15.9*0.01)-arctan(15.9*0.02)-arctan(15.9*31.25)-arctan(15.9*0.0198)
    90+arctan(13*1.25)+arctan(13*0.0769)-arctan(13*0.1)-arctan(13*0.01)-arctan(13*0.02)-arctan(13*31.25)-arctan(13*0.0172)
    90+arctan(13.8)-arctan(0.1*13.8)-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
    90+arctan(10)-arctan(0.1*10)-arctan(0.02*10)-arctan(0.01*10)-arctan(20*10)
    90+arctan(19.6)-arctan(0.1*19.6)-arctan(0.02*19.6)-arctan(0.01*19.6)-arctan(10*19.6)+arctan(19.6*0.0981)-arctan(19.6*0.0265)
    90+arctan(10)-arctan(0.1*10)-arctan(0.02*10)-arctan(0.01*10)-arctan(10*10)

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