0.87×4320/〖192.6〗^2 ×(13538×560)/2342086.57 [√(1+((192.6×21)/(4.4×560))^2 )+0]
    0.69+0.13×1.38
    (6125×21)/(166×560)
    6125/31.8
    3.548-2.962
    (18×10^6)/(0.96×237000×215)
    1.07-〖70.75〗^2/44000
    1500/21.2
    3.041-2.906
    3.401-3.184
    1/2×1.25×〖31.67〗^2×2.05×0.0102
    1/2×1.25×〖31.67〗^2×0.5×0.426
    1/2×1.25×〖31.67〗^2×2.05×0.56
    1/2×1.25×〖31.67〗^2×0.5×1.02
    90+arctan(0.352*2.2)-arctan(2.2)-arctan(0.25*2.2)-arctan(0.11*2.2)
    1/(3.2*sqrt(7.97))
    (1+sin51)/(1-sin51)
    90+arctan(1.036*3.67)-arctan(0.25*3.67)-arctan(0.074*3.67)
    (2+sqrt(3))/(2-sqrt(3))
    180-arctan2-arctan0.5

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