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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 80×0.3×((3.14×0.232^2/4)×12-3.14×16×10-3×0.232×25-0)+0.18×3.14×0.232×80 .
    Question type: Mathematical calculation
    Solution:
          80×0.3×((3.14×0.232^2/4)×12-3.14×16×10-3×0.232×25-0)+0.18×3.14×0.232×80
        =80×0.3×(0.042252×12-3.14×16×10-3×0.232×25-0)+0.18×3.14×0.232×80
        =80×0.3×(-519.292976)+0.18×3.14×0.232×80
        =24×(-519.292976)+0.18×3.14×0.232×80
        =(-12463.031424)+0.18×3.14×0.232×80
        =-12463.031424+0.5652×0.232×80
        =-12463.031424+0.131126×80
        =-12463.031424+10.49008
        =-12452.541344

    Answer:80×0.3×((3.14×0.232^2/4)×12-3.14×16×10-3×0.232×25-0)+0.18×3.14×0.232×80=-12452.541344


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