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

[1/7 Formula]
    Work: Calculate the value of equation 6.4+(2.79-1.79) .
    Question type: Mathematical calculation
    Solution:
          6.4+(2.79-1.79)
        =6.4+1
        =7.4
    Answer:6.4+(2.79-1.79)=7.4
[2/7 Formula]
    Work: Calculate the value of equation 8.2+5.39-4.58 .
    Question type: Mathematical calculation
    Solution:
          8.2+5.39-4.58
        =13.59-4.58
        =9.01
    Answer:8.2+5.39-4.58=9.01
[3/7 Formula]
    Work: Calculate the value of equation 13.88-(0.09+2.38) .
    Question type: Mathematical calculation
    Solution:
          13.88-(0.09+2.38)
        =13.88-2.47
        =11.41
    Answer:13.88-(0.09+2.38)=11.41
[4/7 Formula]
    Work: Calculate the value of equation 2.189-1.907+2.2 .
    Question type: Mathematical calculation
    Solution:
          2.189-1.907+2.2
        =0.282+2.2
        =2.482
    Answer:2.189-1.907+2.2=2.482
[5/7 Formula]
    Work: Calculate the value of equation 8.65+23.8-13.8 .
    Question type: Mathematical calculation
    Solution:
          8.65+23.8-13.8
        =32.45-13.8
        =18.65
    Answer:8.65+23.8-13.8=18.65
[6/7 Formula]
    Work: Calculate the value of equation 189.34-(4.76-3.77) .
    Question type: Mathematical calculation
    Solution:
          189.34-(4.76-3.77)
        =189.34-0.99
        =188.35
    Answer:189.34-(4.76-3.77)=188.35
[7/7 Formula]
    Work: Calculate the value of equation 2.467-1.007+4.33 .
    Question type: Mathematical calculation
    Solution:
          2.467-1.007+4.33
        =1.46+4.33
        =5.79
    Answer:2.467-1.007+4.33=5.79

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>>注：本次最多计算 7 道题。

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