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

[1/7 Formula]
    Work: Calculate the value of equation 68-35+49 .
    Question type: Mathematical calculation
    Solution:
          68-35+49
        =33+49
        =82
    Answer:68-35+49=82
[2/7 Formula]
    Work: Calculate the value of equation 15+68-39 .
    Question type: Mathematical calculation
    Solution:
          15+68-39
        =83-39
        =44
    Answer:15+68-39=44
[3/7 Formula]
    Work: Calculate the value of equation 59+31-51 .
    Question type: Mathematical calculation
    Solution:
          59+31-51
        =90-51
        =39
    Answer:59+31-51=39
[4/7 Formula]
    Work: Calculate the value of equation 82-69+77 .
    Question type: Mathematical calculation
    Solution:
          82-69+77
        =13+77
        =90
    Answer:82-69+77=90
[5/7 Formula]
    Work: Calculate the value of equation 46-26+14 .
    Question type: Mathematical calculation
    Solution:
          46-26+14
        =20+14
        =34
    Answer:46-26+14=34
[6/7 Formula]
    Work: Calculate the value of equation 81+13-4 .
    Question type: Mathematical calculation
    Solution:
          81+13-4
        =94-4
        =90
    Answer:81+13-4=90
[7/7 Formula]
    Work: Calculate the value of equation 62-57+94 .
    Question type: Mathematical calculation
    Solution:
          62-57+94
        =5+94
        =99
    Answer:62-57+94=99

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>>注：本次最多计算 7 道题。

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