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Mathematical calculation:
    Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
    It supports mathematical functions (including trigonometric functions).
    Current location:Mathematical operation > History of Mathematical Computation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation 0.0005×(20^3-729)-0.0135*(20^2-81)+0.7215*(20-9) .
    Question type: Mathematical calculation
    Solution:
          0.0005×(20^3-729)-0.0135*(20^2-81)+0.7215*(20-9)
        =0.0005×7271-0.0135*(20^2-81)+0.7215*(20-9)
        =0.0005×7271-0.0135*319+0.7215*(20-9)
        =0.0005×7271-0.0135*319+0.7215*11
        =3.6355-0.0135*319+0.7215*11
        =3.6355-4.3065+0.7215*11
        =3.6355-4.3065+7.9365
        =-0.671+7.9365
        =7.2655

    Answer:0.0005×(20^3-729)-0.0135*(20^2-81)+0.7215*(20-9)=7.2655


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