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

[1/7 Formula]
    Work: Calculate the value of equation 0.78×2.4 .
    Question type: Mathematical calculation
    Solution:
          0.78×2.4
        =1.872
    Answer:0.78×2.4=1.872
[2/7 Formula]
    Work: Calculate the value of equation 5.4×1.9 .
    Question type: Mathematical calculation
    Solution:
          5.4×1.9
        =10.26
    Answer:5.4×1.9=10.26
[3/7 Formula]
    Work: Calculate the value of equation 3.9×2.7 .
    Question type: Mathematical calculation
    Solution:
          3.9×2.7
        =10.53
    Answer:3.9×2.7=10.53
[4/7 Formula]
    Work: Calculate the value of equation 1.3×13.2 .
    Question type: Mathematical calculation
    Solution:
          1.3×13.2
        =17.16
    Answer:1.3×13.2=17.16
[5/7 Formula]
    Work: Calculate the value of equation 2.8×50.3 .
    Question type: Mathematical calculation
    Solution:
          2.8×50.3
        =140.84
    Answer:2.8×50.3=140.84
[6/7 Formula]
    Work: Calculate the value of equation 0.8×5.3 .
    Question type: Mathematical calculation
    Solution:
          0.8×5.3
        =4.24
    Answer:0.8×5.3=4.24
[7/7 Formula]
    Work: Calculate the value of equation 4.6×9.7 .
    Question type: Mathematical calculation
    Solution:
          4.6×9.7
        =44.62
    Answer:4.6×9.7=44.62

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>>注：本次最多计算 7 道题。

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