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

[1/7 Formula]
    Work: Calculate the value of equation 3.8+2.7 .
    Question type: Mathematical calculation
    Solution:
          3.8+2.7
        =6.5
    Answer:3.8+2.7=6.5
[2/7 Formula]
    Work: Calculate the value of equation 3.8+4.5 .
    Question type: Mathematical calculation
    Solution:
          3.8+4.5
        =8.3
    Answer:3.8+4.5=8.3
[3/7 Formula]
    Work: Calculate the value of equation 3.6+5.8 .
    Question type: Mathematical calculation
    Solution:
          3.6+5.8
        =9.4
    Answer:3.6+5.8=9.4
[4/7 Formula]
    Work: Calculate the value of equation 5.7-3.4 .
    Question type: Mathematical calculation
    Solution:
          5.7-3.4
        =2.3
    Answer:5.7-3.4=2.3
[5/7 Formula]
    Work: Calculate the value of equation 8.4-2.8 .
    Question type: Mathematical calculation
    Solution:
          8.4-2.8
        =5.6
    Answer:8.4-2.8=5.6
[6/7 Formula]
    Work: Calculate the value of equation 3.7+6.8 .
    Question type: Mathematical calculation
    Solution:
          3.7+6.8
        =10.5
    Answer:3.7+6.8=10.5
[7/7 Formula]
    Work: Calculate the value of equation 2.7+13.1 .
    Question type: Mathematical calculation
    Solution:
          2.7+13.1
        =15.8
    Answer:2.7+13.1=15.8

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>>注：本次最多计算 7 道题。

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