24×150×3.14×2.99×1
    662.2×1×2.3×10
    (19799.8+0+43938.6)/ 46354
    662.2×7×1×10
    10000×(1+20％)3
    log(3,729)
    log(3,2175)
    3/5+6/7+5/6+7/12+9/20+11/30+13/42
    10317.57-10125
    10317.57-9400
    10317.57+10125
    (100×1.004×(1.416/(972.7-1.416))^0.5+136×0.0003567×0.6928)/(0.36×0.145×1.0)
    (100×1×(1.4/(972.7-1.4))^0.5+136×0.000356×0.69)/(0.36×0.145×1.0)
    (100×1×(1.4/(972.7-1.4))^0.5+136×0.000356×0.69)/(0.4×0.145×1.0)
    (100×1×(1.4/(972.7-1.4))^0.5+136×0.000356×0.69)/(0.34×0.145×1.0)
    (100×1.004×(1.416/(972.7-1.416))^0.5+136×0.0003567×0.6928)/(0.3373×0.145×1.0)
    tan29
    2.32×10/2×2^2×1
    1.61-（0.8-0.35）*sin（36.87+23.39）
    1.61+0.4*sin（23.39+36.87）

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