√((88.04/1.22)^2+〖33.98〗^2 )
    (542.3×10^3)/(7×6×380)
    1.22×160
    (542.3×10^3)/(2×7×440)
    (542.3×10^3)/(7×440)
    0.1×19.1×(2.3×300^2+460×300)
    √((60.26/109.32)^2+(87.38/176.50)^2 )
    (62.91×10^6×120)/(6×120^2 )
    542.3×0.116
    21.19×20×470
    21.19×10×470
    542.3/9
    542.3/6
    (37.5×10^3)/(0.977×1274.3×215)+(1.0×1.8×10^6)/(1.15×39661×(1-(0.8×37.5)/9387.19)×215)
    (π^2×2.06×10^5×1274.3)/(1.1×〖15.84〗^2 )
    625/39.45
    0.305-0.230
    (9.8×10^6)/(0.87×401449×215)
    1.07-〖94.01〗^2/44000
    1884/20.04

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