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

[1/7 Formula]
    Work: Calculate the value of equation 415-74-26 .
    Question type: Mathematical calculation
    Solution:
          415-74-26
        =341-26
        =315
    Answer:415-74-26=315
[2/7 Formula]
    Work: Calculate the value of equation 1000-28-272 .
    Question type: Mathematical calculation
    Solution:
          1000-28-272
        =972-272
        =700
    Answer:1000-28-272=700
[3/7 Formula]
    Work: Calculate the value of equation 378+527+73 .
    Question type: Mathematical calculation
    Solution:
          378+527+73
        =905+73
        =978
    Answer:378+527+73=978
[4/7 Formula]
    Work: Calculate the value of equation 167+289+33 .
    Question type: Mathematical calculation
    Solution:
          167+289+33
        =456+33
        =489
    Answer:167+289+33=489
[5/7 Formula]
    Work: Calculate the value of equation 427+58-27 .
    Question type: Mathematical calculation
    Solution:
          427+58-27
        =485-27
        =458
    Answer:427+58-27=458
[6/7 Formula]
    Work: Calculate the value of equation 58+39+42+61 .
    Question type: Mathematical calculation
    Solution:
          58+39+42+61
        =97+42+61
        =139+61
        =200
    Answer:58+39+42+61=200
[7/7 Formula]
    Work: Calculate the value of equation 427-89+73 .
    Question type: Mathematical calculation
    Solution:
          427-89+73
        =338+73
        =411
    Answer:427-89+73=411

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>>注：本次最多计算 7 道题。

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