15×10^3×(1334.35-1330.55)
    15×10^3×(1334.35-1332.75)
    12.88×10^3×(1334.35-1333.15)
    3000➗125
    3000➗125
    (0.2×8^2-8+10)/10
    (0.2×40^2-40+15)/10
    (0.2×28^2-28+0)/10
    (0.2×30^2-30+0)/10
    (0.5×22+2.4×19.1+2.5×22+9.6×23+20)×0.22-2×15×√0.22
    (0.5×22+2.4×19.1+2.5×22+6.6×23+20)×0.22-2×15×√0.22
    √(〖(12.2/88.2)〗^2+〖(85.7/141.2)〗^2 )
    353×400
    (85.7×0.25)/(〖0.25〗^2×4)
    353×250
    √((〖51.2〗^2+〖110.5〗^2-51.2×110.5)/1.5)
    (488×10^3)/9522
    (85.7×10^6×220)/223221027.5
    (246.8×10^3)/9522
    (0.5×22+2.4×19.1+2.5×22+6.6×23+20)×0.22-2×15×√0.22

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