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

[1/7 Formula]
    Work: Calculate the value of equation 56.3-0.4 .
    Question type: Mathematical calculation
    Solution:
          56.3-0.4
        =55.9
    Answer:56.3-0.4=55.9
[2/7 Formula]
    Work: Calculate the value of equation 19.5-2 .
    Question type: Mathematical calculation
    Solution:
          19.5-2
        =17.5
    Answer:19.5-2=17.5
[3/7 Formula]
    Work: Calculate the value of equation 23.6-0.4 .
    Question type: Mathematical calculation
    Solution:
          23.6-0.4
        =23.2
    Answer:23.6-0.4=23.2
[4/7 Formula]
    Work: Calculate the value of equation 8.9-0.75 .
    Question type: Mathematical calculation
    Solution:
          8.9-0.75
        =8.15
    Answer:8.9-0.75=8.15
[5/7 Formula]
    Work: Calculate the value of equation 8-0.7 .
    Question type: Mathematical calculation
    Solution:
          8-0.7
        =7.3
    Answer:8-0.7=7.3
[6/7 Formula]
    Work: Calculate the value of equation 9.8-0.5 .
    Question type: Mathematical calculation
    Solution:
          9.8-0.5
        =9.3
    Answer:9.8-0.5=9.3
[7/7 Formula]
    Work: Calculate the value of equation 28.2+7 .
    Question type: Mathematical calculation
    Solution:
          28.2+7
        =35.2
    Answer:28.2+7=35.2

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>>注：本次最多计算 7 道题。

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