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

[1/7 Formula]
    Work: Calculate the value of equation 15.6×9 .
    Question type: Mathematical calculation
    Solution:
          15.6×9
        =140.4
    Answer:15.6×9=140.4
[2/7 Formula]
    Work: Calculate the value of equation 28.7×17 .
    Question type: Mathematical calculation
    Solution:
          28.7×17
        =487.9
    Answer:28.7×17=487.9
[3/7 Formula]
    Work: Calculate the value of equation 0.29×81 .
    Question type: Mathematical calculation
    Solution:
          0.29×81
        =23.49
    Answer:0.29×81=23.49
[4/7 Formula]
    Work: Calculate the value of equation 25.7×5 .
    Question type: Mathematical calculation
    Solution:
          25.7×5
        =128.5
    Answer:25.7×5=128.5
[5/7 Formula]
    Work: Calculate the value of equation 18.6×9 .
    Question type: Mathematical calculation
    Solution:
          18.6×9
        =167.4
    Answer:18.6×9=167.4
[6/7 Formula]
    Work: Calculate the value of equation 3.7×54 .
    Question type: Mathematical calculation
    Solution:
          3.7×54
        =199.8
    Answer:3.7×54=199.8
[7/7 Formula]
    Work: Calculate the value of equation 4.7×45 .
    Question type: Mathematical calculation
    Solution:
          4.7×45
        =211.5
    Answer:4.7×45=211.5

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>>注：本次最多计算 7 道题。

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