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    -4*cos(9.5/2)/cos(60+69.5)
    180+arctan(2*3^0.5/(-2))+arctan(2*3^0.5/(1-2))+arctan(2*3^0.5/(10-2))
    180+arctan(3/(-3))+arctan(3/(1-3))+arctan(3/(10-3))
    144790961538461.53125^0.39
    7.4×10^5×64.60×1.26×10^7÷4.16
    174.63/6.59
    12*sin(72+32.18)/sin(75.82-72)
    2/3*14.3*785.398*0.5*(sin(0.3*3.1415926))^3/3.1415926+360*12.271*0.425*(sin(0.3*3.1415926)+sin(0.65*3.1415926))/3.1415926
    12*sin32.18/sin75.82
    2/3*14.3*785.398*0.5*(sin(0.13*3.1415926))^3/3.1415926+300*4.825*0.425*(sin(0.13*3.1415926)+sin(0.99*3.1415926))/3.1415926
    180-32.18-72
    2/3*14.3*785.398*0.5*(sin(0.13*3.1415926)^3/3.1415926+300*4.825*0.425*(sin(0.13*3.1415926)+sin(0.99*3.1415926))/3.1415926
    ((6)^2+(6*3^0.5)^2)^0.5*((1)^2+(6*3^0.5)^2)^0.5*((14)^2+(6*3^0.5)^2)^0.5
    180+arctan(6*3^0.5/(-6))+arctan(6*3^0.5/(5-6))+arctan(6*3^0.5/(20-6))
    180+arctan(13.1/(-5.7))+arctan(13.1/(5-5.7))+arctan(13.1/(20-5.7))
    arctan0.92
    3737373737/7373737373*3
    -arcsin(13.1/(-5.7))-arcsin(13.1/(5-5.7))-arcsin(13.1/(20-5.7))
    0.75*(-8)-(-15)*(-5/3)
    -arctan(13.1/(-5.7))-arctan(13.1/(5-5.7))-arctan(13.1/(20-5.7))

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