1683.825*（sin0.339＾3）/3.14
    288.72*（sin0.339+sin3.247）/3.14
    618.54*（sin0.848+sin2.29）/3.14
    （618.54*sin0.848+sin2.29）/3.14
    （1683.85*sin0.848＾3）/3.14
    （1683.825*sin0.339＾3/3.14）+（288.72*sin0.339+sin3.247）/3.14=
    2^15
    2^12
    -126.57*13^2 + 3674.6*13 - 1150.8
    (1/1.05+1/1.03)/2.07
    189除以2.5
    -0.3953*13^5 + 12.866*13^4 - 192.04*13^3 + 1441.8*13^2 - 2245.4*13 + 5428.9
    -0.0049*43^5 + 0.5056*43^4 - 17.665*43^3 + 258.94*43^2 - 1465.2*43 + 2158
    -0.0005*42^6 + 0.0575*42^5 - 2.5573*42^4 + 53.567*42^3 - 531.11*42^2 + 2185.4*42 - 2464.5
    -0.0005*43^6 + 0.0575*43^5 - 2.5573*43^4 + 53.567*43^3 - 531.11*43^2 + 2185.4*43 - 2464.5
    0.67*2.2
    1.5*2.2
    89*25
    89*30
    0.8*3.05

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