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

[1/7 Formula]
    Work: Calculate the value of equation (78+30)-20 .
    Question type: Mathematical calculation
    Solution:
          (78+30)-20
        =108-20
        =88
    Answer:(78+30)-20=88
[2/7 Formula]
    Work: Calculate the value of equation 53+25-18 .
    Question type: Mathematical calculation
    Solution:
          53+25-18
        =78-18
        =60
    Answer:53+25-18=60
[3/7 Formula]
    Work: Calculate the value of equation 67-25+15 .
    Question type: Mathematical calculation
    Solution:
          67-25+15
        =42+15
        =57
    Answer:67-25+15=57
[4/7 Formula]
    Work: Calculate the value of equation 58-(23+8) .
    Question type: Mathematical calculation
    Solution:
          58-(23+8)
        =58-31
        =27
    Answer:58-(23+8)=27
[5/7 Formula]
    Work: Calculate the value of equation 52-(11+15) .
    Question type: Mathematical calculation
    Solution:
          52-(11+15)
        =52-26
        =26
    Answer:52-(11+15)=26
[6/7 Formula]
    Work: Calculate the value of equation 16+51-23 .
    Question type: Mathematical calculation
    Solution:
          16+51-23
        =67-23
        =44
    Answer:16+51-23=44
[7/7 Formula]
    Work: Calculate the value of equation 79-32+24 .
    Question type: Mathematical calculation
    Solution:
          79-32+24
        =47+24
        =71
    Answer:79-32+24=71

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>>注：本次最多计算 7 道题。

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