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

[1/7 Formula]
    Work: Calculate the value of equation 37+26-28 .
    Question type: Mathematical calculation
    Solution:
          37+26-28
        =63-28
        =35
    Answer:37+26-28=35
[2/7 Formula]
    Work: Calculate the value of equation 77-64+67 .
    Question type: Mathematical calculation
    Solution:
          77-64+67
        =13+67
        =80
    Answer:77-64+67=80
[3/7 Formula]
    Work: Calculate the value of equation 13-7+61 .
    Question type: Mathematical calculation
    Solution:
          13-7+61
        =6+61
        =67
    Answer:13-7+61=67
[4/7 Formula]
    Work: Calculate the value of equation 17+80-47 .
    Question type: Mathematical calculation
    Solution:
          17+80-47
        =97-47
        =50
    Answer:17+80-47=50
[5/7 Formula]
    Work: Calculate the value of equation 57+11-54 .
    Question type: Mathematical calculation
    Solution:
          57+11-54
        =68-54
        =14
    Answer:57+11-54=14
[6/7 Formula]
    Work: Calculate the value of equation 59-33+46 .
    Question type: Mathematical calculation
    Solution:
          59-33+46
        =26+46
        =72
    Answer:59-33+46=72
[7/7 Formula]
    Work: Calculate the value of equation 45-44+48 .
    Question type: Mathematical calculation
    Solution:
          45-44+48
        =1+48
        =49
    Answer:45-44+48=49

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>>注：本次最多计算 7 道题。

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