(92/620.79+34/5272.72)/(1/620.79+1/5272.72)
    (39.27-34.32)/34.32
    (750.13×1000)/(373.56×58.51)
    (703.24×1000)/(365.86×58.51)
    1/(1/643.23+0.000172+0.000048×25/22.5+0.000528×25/20+(25/20)/5272.72)
    1/(1/620.79+0.000172+0.000048×25/22.5+0.000528×25/20+(25/20)/5272.72)
    0.36×0.13/0.02×〖5757.81〗^0.55 〖12.59077〗^(1/3)×1.01
    0.36×0.13/0.02×〖5397.82〗^0.55 〖12.59077〗^(1/3)×1.01
    0.36×0.13/0.02×〖5757.81〗^0.55 〖12.59077〗^(1/3)×1.01
    33×0.7×0.6=
    33×0.68×0.6=
    33×0.67×0.6=
    27.5×0.6×0.6=
    ㏑0.171
    8/(π^2×9.81) [0.0292×7/〖0.333〗^5 +4.094/〖0.333〗^4 +0.0302×570/〖0.299〗^5 +(1+8.392) 1/〖0.299〗^4 ]
    0.0292×7/〖0.333〗^5 +4.094/〖0.333〗^4 +0.0302×570/〖0.299〗^5 +(1+8.392) 1/〖0.299〗^4
    8/(π^2×9.81) [0.0292×7/〖0.333〗^5 +4.094/〖0.333〗^4 +0.0302×570/〖0.299〗^5 +(1+8.392) 1/〖0.299〗^4 ]
    216-50-5-159-50
    {C(4,1) * C(39,3)+C(4,1)*C(38,2)*0+C(4,3)*C(38,0)*0}/C(43,4)
    {C(4,1) * C(39,3)+C(4,1)*C(38,2)*0+C(4,3)*C(38,0)*0}/C(42,3)

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