3000∧(2/3)
    0.6×3×1.426
    1186.73/(301.07×1.426)
    76.50+(490.96－76.50)(2×5.283)/19.5
    1679.97×(1－(4×5.283 ^2)/(19.5^2 ))
    1645.43/(374.26×1.426)
    76.50+(496.7－76.50)(2×5.253 )/19.5
    2237.00×(1－(4×5.253 ^2)/(19.5^2 ))
    0.153*(0.003043/1.2/0.025)∧2
    5.7/27.37/1000*(0.9999/0.15)∧3.2
    1×1×1.1×0.45×10^(-3)×200×1449√((2+0.6×0.217) √35×0.00201×250)+0.75×10^(-3)×330×(628+509 )×0.707
    1×1×1.1×0.45×10^(-3)×200×1437√((2+0.6×0.43)√30×0.00201×250)+0.75×10^(-3)×330×(1256+509)×0.707
    1×1×1.1×0.45×10^(-3)×200×1449√((2+0.6×0.22) √30×0.00201×250)+0.75×10^(-3)×330×(628＋509)×0.707
    1×1×1.1×0.45×10^(-3)×200×1437√((2+0.6×0.43)√35×0.00201×250)+0.75×10^(-3)×330×(1256+509)×0.707
    -0.51*0.67+5.99*0.33
    828.56/(371.55×1.437)
    76.50＋(490.96－76.50)(2×6.941)/19.5
    1685.7×（1－(4×6.941 ^2)/(19.5^2 )）
    1×1×1.1×0.45×10^(-3)×200×1449√((2+0.6×0.217) √35×0.00201×250)+0.75×10^(-3)×330×(1256+509 )×0.70
    （5.74+12.7）*8.5=

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