82.4*0.584
    29.61+52.79
    36.19*0.416
    tan（arccos0.95）
    36.19*0.584
    tan（arccos0.91）
    12+23
    arcsin4/5
    cos3
    0.045×0.85×39197.98
    0.045×0.85×38913
    0.20-0.065
    0.25-0.049
    0.28-0.032
    0.303-0.016
    0.016+0.032+0.049+0.065+0.141
    39197.98/278569
    8221.97/278569
    30976.01/475546
    23066.90/475546

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