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

[1/7 Formula]
    Work: Calculate the value of equation 7.4×1.85 .
    Question type: Mathematical calculation
    Solution:
          7.4×1.85
        =13.69
    Answer:7.4×1.85=13.69
[2/7 Formula]
    Work: Calculate the value of equation 5.3×16.7 .
    Question type: Mathematical calculation
    Solution:
          5.3×16.7
        =88.51
    Answer:5.3×16.7=88.51
[3/7 Formula]
    Work: Calculate the value of equation 9.9×19.2 .
    Question type: Mathematical calculation
    Solution:
          9.9×19.2
        =190.08
    Answer:9.9×19.2=190.08
[4/7 Formula]
    Work: Calculate the value of equation 4.8×29.2 .
    Question type: Mathematical calculation
    Solution:
          4.8×29.2
        =140.16
    Answer:4.8×29.2=140.16
[5/7 Formula]
    Work: Calculate the value of equation 5.59×4.7 .
    Question type: Mathematical calculation
    Solution:
          5.59×4.7
        =26.273
    Answer:5.59×4.7=26.273
[6/7 Formula]
    Work: Calculate the value of equation 1.3×1.75 .
    Question type: Mathematical calculation
    Solution:
          1.3×1.75
        =2.275
    Answer:1.3×1.75=2.275
[7/7 Formula]
    Work: Calculate the value of equation 2.1×7.69 .
    Question type: Mathematical calculation
    Solution:
          2.1×7.69
        =16.149
    Answer:2.1×7.69=16.149

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>>注：本次最多计算 7 道题。

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