Mathematics
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    (7+0.2)×(9+0.2)×0.1×16
    (8+0.2)×(10+0.2)×0.1×18
    18×[8×10×1+7×8×1+7×5×1]
    16×[7×9×1+6×8×1]
    789/123
    5+6 8+9 56/7
    100.6 ÷ 200 ÷ 1300
    0.24 × 1.43 ÷ 360
    0.7×1.0×14.3×1300×1440×10^(-3)
    0.7×1.43×1300×1440×10^(-3)
    0.25×1.0×14.3×1300×1440×10^(-3)
    0.2%×1300×1500
    (2000.36×10^6)/((360×0.975)×(1300-35-25))
    1-√(1-2×0.051892)
    (2000.36×10^6)/(1.0×14.3×1300×(1500-35-25)^2 )
    2÷3×14.3×1130400×400×(sin(0.34π))^3÷3.14+360×42724.4×334×(sin(0.34π)+sin(0.57π))÷3.14
    (0.36×14.3×1130400+1.25×360×42724.4)/(1.7×14.3×1130400+3×360×42724.4)
    2÷3×14.3×1130400×400×(sin(0.35π))^3÷3.14+360×50264×334×(sin(0.35π)+sin(0.55π))÷3.14
    (0.36×14.3×1130400+1.25×360×50264)/(1.7×14.3×1130400+3×360×50264 )
    2÷3×14.3×1130400×400×(sin(0.33π))^3÷3.14+360×37698×334×(sin(0.33π)+sin(0.59π))÷3.14

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