419.82×（3.9-0.6）-92.37-81.93
    (163.8-18.3)×0.36×0.12
    2.1×8.96+2.1×3.6×2+3.3×1.2
    （3.66×7.26+3.36×7.26）×10
    164.76×0.6
    （3.66×7.26+3.36×7.26）×10
    85 -20lg(130/1)
    80 -20lg(130/1)
    85 -20lg(20/1)
    20 -20lg(20/1)
    [3.9×1.3×24+3.6×2.2×2+3.3×1.3×3+（3.9×1.3×17+3.6×2.2+3.3×1.3）×9+2.2×1.8×2+1.28×8.2] ×0.1
    368.94×0.3×0.6
    （1.38×22+2.28×2）×10+1.38×11+2.28×2
    1054.41×0.1
    3.9×1.3×24+3.6×2.2×2+3.3×1.3×3+（3.9×1.3×17+3.6×2.2+3.3×1.3）×9+2.2×1.8×2+1.28×8.2
    769.5×0.3×0.15
    3.9×24+3.6×2+3.3×3+（3.9×17+3.6+3.3）×9
    3.9×1.3×15+3.6×2.2+3.3×1.3×3+（3.9×1.3×17+3.6×2.2+3.3×1.3）×9
    arcsin0.87
    arcsin0.87

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