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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 ((2.4*2.8+6.5*2.8+2.5*2.8)*2+(1.2*2.1)+0.9*2.1*6+0.9)*2 .
    Question type: Mathematical calculation
    Solution:
          ((2.4*2.8+6.5*2.8+2.5*2.8)*2+(1.2*2.1)+0.9*2.1*6+0.9)*2
        =(31.92*2+(1.2*2.1)+0.9*2.1*6+0.9)*2
        =(31.92*2+2.52+0.9*2.1*6+0.9)*2
        =78.6*2
        =157.2

    Answer:((2.4*2.8+6.5*2.8+2.5*2.8)*2+(1.2*2.1)+0.9*2.1*6+0.9)*2=157.2


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