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

[1/7 Formula]
    Work: Calculate the value of equation 123+86-23 .
    Question type: Mathematical calculation
    Solution:
          123+86-23
        =209-23
        =186
    Answer:123+86-23=186
[2/7 Formula]
    Work: Calculate the value of equation 438+34+162 .
    Question type: Mathematical calculation
    Solution:
          438+34+162
        =472+162
        =634
    Answer:438+34+162=634
[3/7 Formula]
    Work: Calculate the value of equation 35+13+65+87 .
    Question type: Mathematical calculation
    Solution:
          35+13+65+87
        =48+65+87
        =113+87
        =200
    Answer:35+13+65+87=200
[4/7 Formula]
    Work: Calculate the value of equation 183+256+117-156 .
    Question type: Mathematical calculation
    Solution:
          183+256+117-156
        =439+117-156
        =556-156
        =400
    Answer:183+256+117-156=400
[5/7 Formula]
    Work: Calculate the value of equation 367+278-267+123 .
    Question type: Mathematical calculation
    Solution:
          367+278-267+123
        =645-267+123
        =378+123
        =501
    Answer:367+278-267+123=501
[6/7 Formula]
    Work: Calculate the value of equation 239+233-139+67 .
    Question type: Mathematical calculation
    Solution:
          239+233-139+67
        =472-139+67
        =333+67
        =400
    Answer:239+233-139+67=400
[7/7 Formula]
    Work: Calculate the value of equation 867+234+133+166 .
    Question type: Mathematical calculation
    Solution:
          867+234+133+166
        =1101+133+166
        =1234+166
        =1400
    Answer:867+234+133+166=1400

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>>注：本次最多计算 7 道题。

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