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

[1/7 Formula]
    Work: Calculate the value of equation 8.6-4.97+5.91 .
    Question type: Mathematical calculation
    Solution:
          8.6-4.97+5.91
        =3.63+5.91
        =9.54
    Answer:8.6-4.97+5.91=9.54
[2/7 Formula]
    Work: Calculate the value of equation 81.2+16.4-6.79 .
    Question type: Mathematical calculation
    Solution:
          81.2+16.4-6.79
        =97.6-6.79
        =90.81
    Answer:81.2+16.4-6.79=90.81
[3/7 Formula]
    Work: Calculate the value of equation 789.2+5.21-3.1 .
    Question type: Mathematical calculation
    Solution:
          789.2+5.21-3.1
        =794.41-3.1
        =791.31
    Answer:789.2+5.21-3.1=791.31
[4/7 Formula]
    Work: Calculate the value of equation 19.7-12.43+3.75 .
    Question type: Mathematical calculation
    Solution:
          19.7-12.43+3.75
        =7.27+3.75
        =11.02
    Answer:19.7-12.43+3.75=11.02
[5/7 Formula]
    Work: Calculate the value of equation 40.13-6.8+6.3 .
    Question type: Mathematical calculation
    Solution:
          40.13-6.8+6.3
        =33.33+6.3
        =39.63
    Answer:40.13-6.8+6.3=39.63
[6/7 Formula]
    Work: Calculate the value of equation 5.9-3.85+23.2 .
    Question type: Mathematical calculation
    Solution:
          5.9-3.85+23.2
        =2.05+23.2
        =25.25
    Answer:5.9-3.85+23.2=25.25
[7/7 Formula]
    Work: Calculate the value of equation 4.6-2.58+6.58 .
    Question type: Mathematical calculation
    Solution:
          4.6-2.58+6.58
        =2.02+6.58
        =8.6
    Answer:4.6-2.58+6.58=8.6

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>>注：本次最多计算 7 道题。

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