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

[1/7 Formula]
    Work: Calculate the value of equation 12.4×45.2 .
    Question type: Mathematical calculation
    Solution:
          12.4×45.2
        =560.48
    Answer:12.4×45.2=560.48
[2/7 Formula]
    Work: Calculate the value of equation 7.6×8.5 .
    Question type: Mathematical calculation
    Solution:
          7.6×8.5
        =64.6
    Answer:7.6×8.5=64.6
[3/7 Formula]
    Work: Calculate the value of equation 4.88×2.9 .
    Question type: Mathematical calculation
    Solution:
          4.88×2.9
        =14.152
    Answer:4.88×2.9=14.152
[4/7 Formula]
    Work: Calculate the value of equation 5.63×2.7 .
    Question type: Mathematical calculation
    Solution:
          5.63×2.7
        =15.201
    Answer:5.63×2.7=15.201
[5/7 Formula]
    Work: Calculate the value of equation 8.9×22.4 .
    Question type: Mathematical calculation
    Solution:
          8.9×22.4
        =199.36
    Answer:8.9×22.4=199.36
[6/7 Formula]
    Work: Calculate the value of equation 9.77×8.02 .
    Question type: Mathematical calculation
    Solution:
          9.77×8.02
        =78.3554
    Answer:9.77×8.02=78.3554
[7/7 Formula]
    Work: Calculate the value of equation 4.384×5.1 .
    Question type: Mathematical calculation
    Solution:
          4.384×5.1
        =22.3584
    Answer:4.384×5.1=22.3584

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>>注：本次最多计算 7 道题。

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