Mathematics
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    (421.02×3.14+460.91×0.80)/(31.68×6.08+290.68×3.36+129.46×0.83)
    95.94×2.825+2×13.1×√2.825
    64.83+18.3×1.7
    274.72×0.354-2×13.1×√0.354
    243.61×0.354-2×13.1×√0.354
    243.61×0.556-2×24×√0.556
    175.57×0.556-2×24×√0.556
    175.57×0.58-2×49.1×√0.58
    111.89×0.58-2×49.1×√0.58
    243.61+18.3×1.7
    19.9×3.2+111.89
    19.0×1.9+19.9×2.1+34
    (-1)^-4/5
    C(2,1)
    C(100,10)
    2cos(3/2π+π/6)
    -3²-(-0.75-9)
    1065(tanarccos0.78-tanarccos0.9)
    1065(tanarccos0.75-tanarccos0.9)
    1065(tanarccos0.0.75-tanarccos0.9)

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