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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 (20×1.9+19.1×5.7+21×1.1)×2.66+2×30×1.63 .
    Question type: Mathematical calculation
    Solution:
          (20×1.9+19.1×5.7+21×1.1)×2.66+2×30×1.63
        =169.97×2.66+2×30×1.63
        =452.1202+2×30×1.63
        =452.1202+60×1.63
        =452.1202+97.8
        =549.9202

    Answer:(20×1.9+19.1×5.7+21×1.1)×2.66+2×30×1.63=549.9202


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