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

[1/7 Formula]
    Work: Calculate the value of equation 49-(72-33) .
    Question type: Mathematical calculation
    Solution:
          49-(72-33)
        =49-39
        =10
    Answer:49-(72-33)=10
[2/7 Formula]
    Work: Calculate the value of equation 47+26-34 .
    Question type: Mathematical calculation
    Solution:
          47+26-34
        =73-34
        =39
    Answer:47+26-34=39
[3/7 Formula]
    Work: Calculate the value of equation 53-24+18 .
    Question type: Mathematical calculation
    Solution:
          53-24+18
        =29+18
        =47
    Answer:53-24+18=47
[4/7 Formula]
    Work: Calculate the value of equation 83-(24+26) .
    Question type: Mathematical calculation
    Solution:
          83-(24+26)
        =83-50
        =33
    Answer:83-(24+26)=33
[5/7 Formula]
    Work: Calculate the value of equation 38-(61-48) .
    Question type: Mathematical calculation
    Solution:
          38-(61-48)
        =38-13
        =25
    Answer:38-(61-48)=25
[6/7 Formula]
    Work: Calculate the value of equation 46-(35-25) .
    Question type: Mathematical calculation
    Solution:
          46-(35-25)
        =46-10
        =36
    Answer:46-(35-25)=36
[7/7 Formula]
    Work: Calculate the value of equation 42-(33-27) .
    Question type: Mathematical calculation
    Solution:
          42-(33-27)
        =42-6
        =36
    Answer:42-(33-27)=36

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>>注：本次最多计算 7 道题。

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