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

[1/7 Formula]
    Work: Calculate the value of equation 2.3-1.1+0.04 .
    Question type: Mathematical calculation
    Solution:
          2.3-1.1+0.04
        =1.2+0.04
        =1.24
    Answer:2.3-1.1+0.04=1.24
[2/7 Formula]
    Work: Calculate the value of equation 12.75+4.4-3.3 .
    Question type: Mathematical calculation
    Solution:
          12.75+4.4-3.3
        =17.15-3.3
        =13.85
    Answer:12.75+4.4-3.3=13.85
[3/7 Formula]
    Work: Calculate the value of equation 5.5-1.4+1.89 .
    Question type: Mathematical calculation
    Solution:
          5.5-1.4+1.89
        =4.1+1.89
        =5.99
    Answer:5.5-1.4+1.89=5.99
[4/7 Formula]
    Work: Calculate the value of equation 5.3+27.1-98.4 .
    Question type: Mathematical calculation
    Solution:
          5.3+27.1-98.4
        =32.4-98.4
        =-66
    Answer:5.3+27.1-98.4=-66
[5/7 Formula]
    Work: Calculate the value of equation 3.54+29.1-28.3 .
    Question type: Mathematical calculation
    Solution:
          3.54+29.1-28.3
        =32.64-28.3
        =4.34
    Answer:3.54+29.1-28.3=4.34
[6/7 Formula]
    Work: Calculate the value of equation 189.2-28.3+6.39 .
    Question type: Mathematical calculation
    Solution:
          189.2-28.3+6.39
        =160.9+6.39
        =167.29
    Answer:189.2-28.3+6.39=167.29
[7/7 Formula]
    Work: Calculate the value of equation 5.678-1.011+3.86 .
    Question type: Mathematical calculation
    Solution:
          5.678-1.011+3.86
        =4.667+3.86
        =8.527
    Answer:5.678-1.011+3.86=8.527

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>>注：本次最多计算 7 道题。

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