Overview: 7 questions will be solved this time.Among them
           ☆7 arithmetic calculations

[1/7 Formula]
    Work: Calculate the value of equation 7.09×10.8-0.8×7.09 .
    Question type: Mathematical calculation
    Solution:
          7.09×10.8-0.8×7.09
        =76.572-0.8×7.09
        =76.572-5.672
        =70.9
    Answer:7.09×10.8-0.8×7.09=70.9
[2/7 Formula]
    Work: Calculate the value of equation 1.7×9.9+1.7×0.1 .
    Question type: Mathematical calculation
    Solution:
          1.7×9.9+1.7×0.1
        =16.83+1.7×0.1
        =16.83+0.17
        =17
    Answer:1.7×9.9+1.7×0.1=17
[3/7 Formula]
    Work: Calculate the value of equation 1.2×99+1.2 .
    Question type: Mathematical calculation
    Solution:
          1.2×99+1.2
        =118.8+1.2
        =120
    Answer:1.2×99+1.2=120
[4/7 Formula]
    Work: Calculate the value of equation 1.25×2.5×64 .
    Question type: Mathematical calculation
    Solution:
          1.25×2.5×64
        =3.125×64
        =200
    Answer:1.25×2.5×64=200
[5/7 Formula]
    Work: Calculate the value of equation 3.83×4.56+3.83×5.44 .
    Question type: Mathematical calculation
    Solution:
          3.83×4.56+3.83×5.44
        =17.4648+3.83×5.44
        =17.4648+20.8352
        =38.3
    Answer:3.83×4.56+3.83×5.44=38.3
[6/7 Formula]
    Work: Calculate the value of equation 5×2.5×8 .
    Question type: Mathematical calculation
    Solution:
          5×2.5×8
        =12.5×8
        =100
    Answer:5×2.5×8=100
[7/7 Formula]
    Work: Calculate the value of equation 9.7×99+9.7 .
    Question type: Mathematical calculation
    Solution:
          9.7×99+9.7
        =960.3+9.7
        =970
    Answer:9.7×99+9.7=970

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>>注：本次最多计算 7 道题。

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