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

[1/7 Formula]
    Work: Calculate the value of equation 11.1-10.1 .
    Question type: Mathematical calculation
    Solution:
          11.1-10.1
        =1
    Answer:11.1-10.1=1
[2/7 Formula]
    Work: Calculate the value of equation 22.2-22.1 .
    Question type: Mathematical calculation
    Solution:
          22.2-22.1
        =0.1
    Answer:22.2-22.1=0.1
[3/7 Formula]
    Work: Calculate the value of equation 398.21-7.89 .
    Question type: Mathematical calculation
    Solution:
          398.21-7.89
        =390.32
    Answer:398.21-7.89=390.32
[4/7 Formula]
    Work: Calculate the value of equation 2.375-1.099 .
    Question type: Mathematical calculation
    Solution:
          2.375-1.099
        =1.276
    Answer:2.375-1.099=1.276
[5/7 Formula]
    Work: Calculate the value of equation 29.57-28.57 .
    Question type: Mathematical calculation
    Solution:
          29.57-28.57
        =1
    Answer:29.57-28.57=1
[6/7 Formula]
    Work: Calculate the value of equation 19.87-18.87 .
    Question type: Mathematical calculation
    Solution:
          19.87-18.87
        =1
    Answer:19.87-18.87=1
[7/7 Formula]
    Work: Calculate the value of equation 17.77-17.67 .
    Question type: Mathematical calculation
    Solution:
          17.77-17.67
        =0.1
    Answer:17.77-17.67=0.1

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>>注：本次最多计算 7 道题。

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