12*22+100
    11*17
    12*254
    1009*20183*2
    1/4×3.14×16×16×6
    (172000-0.3×71600)/(0.9×0.598×300)
    60400/(0.8×0.76×300)
    71300/(0.9×0.598×300)+60400/(0.8×0.76×300)
    √((22.79/1.22)^2+〖51.56〗^2 )
    (115.5×1000)/(7×320)
    (70.2×1000)/(7×440)
    √((41.82/1.22)^2+〖80.84〗^2 )
    (181.1×1000)/(7×320)
    (128.8×1000)/(7×440)
    (182900-0.3×128300)/(0.9×0.598×300)
    1/4×3.14×25×25×4
    115200/(0.8×0.76×300)
    70200/(0.9×0.598×300)+115200/(0.8×0.76×300)
    1/4×3.14×16×16×4
    0.950431-(0.33*0.577481+0.25400299+0.168516+1.01010101010101*0.035298+0.033747+0.100872-0.011438+0.240994)

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