(2181.8×10^3)/(0.724×25446.9)
    25446.9/286.4
    （39763/30+3822/60）/{0.9[8190/60+3200/60*7.7]}
    1.39×361.58
    1.39×272.02
    1.39×411.99
    1.39×396.36
    1.39×233.18
    1.39×211.22
    1.39×295.35
    1.39×40.23
    1.39×17.57
    1.39×6.76
    1.39×28.55
    1.39×18.42
    1.39×18.42
    1.1×24.68
    12.12+12.56
    √((6×391.8)/(16.9×(1.2×1.352-0.74) ))
    √((6×596.2)/(16.9×(1.2×1.352-0.74) ))

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