Mathematics
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    179*180
    143*179
    77773*128579327
    1/9998
    1/99989
    -20%+arctan(2.5×(-27.14%)+0.5)×20%/π
    -20%+arctan(2.5×(-27.14)+0.5)×20%/π
    272.31×0.7582-2×11.7×0.8707
    43.62×0.7582-2×11.7×0.8707
    43.62×0.7556-2×10×0.8693
    33.7×0.7556-2×10×0.8693
    arccos(1/(40)^0.5)
    arctan2
    arctan9-arctan3
    1/2×1.25×〖34.32〗^2×1.4×0.4
    1/2×1.25×〖34.32〗^2×1.4×0.6
    1/2×1.25×〖34.32〗^2×2.0×0.12
    1/2×1.25×〖34.32〗^2×2.0×0.22
    (10×4×2.5×16+100)/(10×4)
    (10×4×2.5×20+100)/(10×4)

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