（19.1×2.2）×2.72+2×19.1×1.65
    2×19.1×1.65
    （20+18.5×0.5+20×4.1+19.1×2.9+21×2.5）×0.38-2×30×0.6
    （20+18.5×0.5+20×4.1+19.1×2.9）×0.38-2×30×0.61
    （20+18.5×0.5+20×4.1+19.1×2.9）×0.37-2×5.8×0.61
    （20+18.5×0.5+20×4.1+19.1×0.7）×0.37-2×5.8×0.61
    （20+18.5×0.5+20×4.1）×0.37-2×5.8×0.61
    （20+18.5×0.5+20×4.1）×0.43-2×41.7×0.66
    （20+18.5×0.5）×0.43-2×41.7×0.66
    5.3+1.2×2.72
    （18.6×5.2+19.6×1.5）×1.51+2×36.4×2.29
    （18.6×5.2）×1.51+2×36.4×2.29
    arcsin(0.0048172806122)
    （20×5.2）×1.8+2×18.1×1.34
    arcsin(0.0048127864)
    2×18.1×1.34
    （20+18.5×0.5+19.4×2.7+19.5×1.3+18.6×6.0+19.6×1.5）×0.44-2×36.4×0.66
    （20+18.5×0.5+19.4×2.7+19.5×1.3+18.6×6.0）×0.44-2×36.4×0.66
    （20+18.5×0.5+19.4×2.7+19.5×1.3+18.6×6.0）×0.56-2×18.1×0.75
    （20+18.5×0.5+19.4×2.7+19.5×1.3）×0.56-2×3.0×0.75

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