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

[1/7 Formula]
    Work: Calculate the value of equation 3.2+2.38 .
    Question type: Mathematical calculation
    Solution:
          3.2+2.38
        =5.58
    Answer:3.2+2.38=5.58
[2/7 Formula]
    Work: Calculate the value of equation 2.1+1.81 .
    Question type: Mathematical calculation
    Solution:
          2.1+1.81
        =3.91
    Answer:2.1+1.81=3.91
[3/7 Formula]
    Work: Calculate the value of equation 5.4+2.52 .
    Question type: Mathematical calculation
    Solution:
          5.4+2.52
        =7.92
    Answer:5.4+2.52=7.92
[4/7 Formula]
    Work: Calculate the value of equation 7.58+1.9 .
    Question type: Mathematical calculation
    Solution:
          7.58+1.9
        =9.48
    Answer:7.58+1.9=9.48
[5/7 Formula]
    Work: Calculate the value of equation 7.86+4.2 .
    Question type: Mathematical calculation
    Solution:
          7.86+4.2
        =12.06
    Answer:7.86+4.2=12.06
[6/7 Formula]
    Work: Calculate the value of equation 2.3+1.66 .
    Question type: Mathematical calculation
    Solution:
          2.3+1.66
        =3.96
    Answer:2.3+1.66=3.96
[7/7 Formula]
    Work: Calculate the value of equation 8.8+4.46 .
    Question type: Mathematical calculation
    Solution:
          8.8+4.46
        =13.26
    Answer:8.8+4.46=13.26

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>>注：本次最多计算 7 道题。

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