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

[1/7 Formula]
    Work: Calculate the value of equation 6.9+4.8+3.1 .
    Question type: Mathematical calculation
    Solution:
          6.9+4.8+3.1
        =11.7+3.1
        =14.8
    Answer:6.9+4.8+3.1=14.8
[2/7 Formula]
    Work: Calculate the value of equation 0.456+6.22+3.78 .
    Question type: Mathematical calculation
    Solution:
          0.456+6.22+3.78
        =6.676+3.78
        =10.456
    Answer:0.456+6.22+3.78=10.456
[3/7 Formula]
    Work: Calculate the value of equation 15.89+(6.75-5.89) .
    Question type: Mathematical calculation
    Solution:
          15.89+(6.75-5.89)
        =15.89+0.86
        =16.75
    Answer:15.89+(6.75-5.89)=16.75
[4/7 Formula]
    Work: Calculate the value of equation 4.02+5.4+0.98 .
    Question type: Mathematical calculation
    Solution:
          4.02+5.4+0.98
        =9.42+0.98
        =10.4
    Answer:4.02+5.4+0.98=10.4
[5/7 Formula]
    Work: Calculate the value of equation 5.17-1.8-3.2 .
    Question type: Mathematical calculation
    Solution:
          5.17-1.8-3.2
        =3.37-3.2
        =0.17
    Answer:5.17-1.8-3.2=0.17
[6/7 Formula]
    Work: Calculate the value of equation 13.75-(3.75+6.48) .
    Question type: Mathematical calculation
    Solution:
          13.75-(3.75+6.48)
        =13.75-10.23
        =3.52
    Answer:13.75-(3.75+6.48)=3.52
[7/7 Formula]
    Work: Calculate the value of equation 3.68+7.56-2.68 .
    Question type: Mathematical calculation
    Solution:
          3.68+7.56-2.68
        =11.24-2.68
        =8.56
    Answer:3.68+7.56-2.68=8.56

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>>注：本次最多计算 7 道题。

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