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

[1/7 Formula]
    Work: Calculate the value of equation 7.8×0.85 .
    Question type: Mathematical calculation
    Solution:
          7.8×0.85
        =6.63
    Answer:7.8×0.85=6.63
[2/7 Formula]
    Work: Calculate the value of equation 5.3×6.3 .
    Question type: Mathematical calculation
    Solution:
          5.3×6.3
        =33.39
    Answer:5.3×6.3=33.39
[3/7 Formula]
    Work: Calculate the value of equation 9.9×1.4 .
    Question type: Mathematical calculation
    Solution:
          9.9×1.4
        =13.86
    Answer:9.9×1.4=13.86
[4/7 Formula]
    Work: Calculate the value of equation 4.8×9.1 .
    Question type: Mathematical calculation
    Solution:
          4.8×9.1
        =43.68
    Answer:4.8×9.1=43.68
[5/7 Formula]
    Work: Calculate the value of equation 5.59×4.8 .
    Question type: Mathematical calculation
    Solution:
          5.59×4.8
        =26.832
    Answer:5.59×4.8=26.832
[6/7 Formula]
    Work: Calculate the value of equation 1.3×1.6 .
    Question type: Mathematical calculation
    Solution:
          1.3×1.6
        =2.08
    Answer:1.3×1.6=2.08
[7/7 Formula]
    Work: Calculate the value of equation 2.1×7.6 .
    Question type: Mathematical calculation
    Solution:
          2.1×7.6
        =15.96
    Answer:2.1×7.6=15.96

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>>注：本次最多计算 7 道题。

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