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    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 0.589×(18.7×3.9+19×(9.2-3.9)+9.4×(3.9+6.7-9.2)+20)+10×(3.9+6.7-9.2)-27.629 .
    Question type: Mathematical calculation
    Solution:
          0.589×(18.7×3.9+19×(9.2-3.9)+9.4×(3.9+6.7-9.2)+20)+10×(3.9+6.7-9.2)-27.629
        =0.589×(18.7×3.9+19×5.3+9.4×(3.9+6.7-9.2)+20)+10×(3.9+6.7-9.2)-27.629
        =0.589×(18.7×3.9+19×5.3+9.4×1.4+20)+10×(3.9+6.7-9.2)-27.629
        =0.589×206.79+10×(3.9+6.7-9.2)-27.629
        =0.589×206.79+10×1.4-27.629
        =121.79931+10×1.4-27.629
        =121.79931+14-27.629
        =135.79931-27.629
        =108.17031

    Answer:0.589×(18.7×3.9+19×(9.2-3.9)+9.4×(3.9+6.7-9.2)+20)+10×(3.9+6.7-9.2)-27.629=108.17031


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