427.82×1.446+2×1.4×√1.446
    92.5×1.446+2×1.4×√1.446
    450.52×0.692-2×1.4×√0.692
    58.1×0.692-2×1.4×√0.692
    ((427.82)×2.59+1.4×8.58)/450.52
    sin20*0.75
    ((427.82)×2.59+10.5×8.58)/450.52
    16.4×1.2×10000×12
    3.8×1.2×10000×1.9
    20.2×1.2×10000×11.1
    8129/73.4%=
    5238/12
    125×326
    25×36
    16.4×1.2×10000×13.5
    5.3×1.2×10000×2.65
    23.64×1.2×10000×11.82
    16.4×1×10000×13.5
    5.3×1×10000×2.65
    23.64×1×10000×11.82

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