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

[1/7 Formula]
    Work: Calculate the value of equation 2.87-1.31 .
    Question type: Mathematical calculation
    Solution:
          2.87-1.31
        =1.56
    Answer:2.87-1.31=1.56
[2/7 Formula]
    Work: Calculate the value of equation 24.867-1.689 .
    Question type: Mathematical calculation
    Solution:
          24.867-1.689
        =23.178
    Answer:24.867-1.689=23.178
[3/7 Formula]
    Work: Calculate the value of equation 1.4-0.01 .
    Question type: Mathematical calculation
    Solution:
          1.4-0.01
        =1.39
    Answer:1.4-0.01=1.39
[4/7 Formula]
    Work: Calculate the value of equation 2.19-1.19 .
    Question type: Mathematical calculation
    Solution:
          2.19-1.19
        =1
    Answer:2.19-1.19=1
[5/7 Formula]
    Work: Calculate the value of equation 24.86-21.99 .
    Question type: Mathematical calculation
    Solution:
          24.86-21.99
        =2.87
    Answer:24.86-21.99=2.87
[6/7 Formula]
    Work: Calculate the value of equation 53.3-52.6 .
    Question type: Mathematical calculation
    Solution:
          53.3-52.6
        =0.7
    Answer:53.3-52.6=0.7
[7/7 Formula]
    Work: Calculate the value of equation 2.897-1.002 .
    Question type: Mathematical calculation
    Solution:
          2.897-1.002
        =1.895
    Answer:2.897-1.002=1.895

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>>注：本次最多计算 7 道题。

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