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

[1/7 Formula]
    Work: Calculate the value of equation 40+57-40 .
    Question type: Mathematical calculation
    Solution:
          40+57-40
        =97-40
        =57
    Answer:40+57-40=57
[2/7 Formula]
    Work: Calculate the value of equation 57+(23-18) .
    Question type: Mathematical calculation
    Solution:
          57+(23-18)
        =57+5
        =62
    Answer:57+(23-18)=62
[3/7 Formula]
    Work: Calculate the value of equation 71-(25+15) .
    Question type: Mathematical calculation
    Solution:
          71-(25+15)
        =71-40
        =31
    Answer:71-(25+15)=31
[4/7 Formula]
    Work: Calculate the value of equation 62-23+8 .
    Question type: Mathematical calculation
    Solution:
          62-23+8
        =39+8
        =47
    Answer:62-23+8=47
[5/7 Formula]
    Work: Calculate the value of equation 56-11+15 .
    Question type: Mathematical calculation
    Solution:
          56-11+15
        =45+15
        =60
    Answer:56-11+15=60
[6/7 Formula]
    Work: Calculate the value of equation 24-(15-13) .
    Question type: Mathematical calculation
    Solution:
          24-(15-13)
        =24-2
        =22
    Answer:24-(15-13)=22
[7/7 Formula]
    Work: Calculate the value of equation 83-(32+24) .
    Question type: Mathematical calculation
    Solution:
          83-(32+24)
        =83-56
        =27
    Answer:83-(32+24)=27

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>>注：本次最多计算 7 道题。

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