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

[1/7 Formula]
    Work: Calculate the value of equation 30+12+59 .
    Question type: Mathematical calculation
    Solution:
          30+12+59
        =42+59
        =101
    Answer:30+12+59=101
[2/7 Formula]
    Work: Calculate the value of equation 45+21+17 .
    Question type: Mathematical calculation
    Solution:
          45+21+17
        =66+17
        =83
    Answer:45+21+17=83
[3/7 Formula]
    Work: Calculate the value of equation 21+18+18 .
    Question type: Mathematical calculation
    Solution:
          21+18+18
        =39+18
        =57
    Answer:21+18+18=57
[4/7 Formula]
    Work: Calculate the value of equation 31+38+12 .
    Question type: Mathematical calculation
    Solution:
          31+38+12
        =69+12
        =81
    Answer:31+38+12=81
[5/7 Formula]
    Work: Calculate the value of equation 12+47+34 .
    Question type: Mathematical calculation
    Solution:
          12+47+34
        =59+34
        =93
    Answer:12+47+34=93
[6/7 Formula]
    Work: Calculate the value of equation 37+16+32 .
    Question type: Mathematical calculation
    Solution:
          37+16+32
        =53+32
        =85
    Answer:37+16+32=85
[7/7 Formula]
    Work: Calculate the value of equation 57+17+20 .
    Question type: Mathematical calculation
    Solution:
          57+17+20
        =74+20
        =94
    Answer:57+17+20=94

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>>注：本次最多计算 7 道题。

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