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

[1/7 Formula]
    Work: Calculate the value of equation 228.6-3.9 .
    Question type: Mathematical calculation
    Solution:
          228.6-3.9
        =224.7
    Answer:228.6-3.9=224.7
[2/7 Formula]
    Work: Calculate the value of equation 225.5-4.7 .
    Question type: Mathematical calculation
    Solution:
          225.5-4.7
        =220.8
    Answer:225.5-4.7=220.8
[3/7 Formula]
    Work: Calculate the value of equation 238.4-2.8 .
    Question type: Mathematical calculation
    Solution:
          238.4-2.8
        =235.6
    Answer:238.4-2.8=235.6
[4/7 Formula]
    Work: Calculate the value of equation 239.4-8.7 .
    Question type: Mathematical calculation
    Solution:
          239.4-8.7
        =230.7
    Answer:239.4-8.7=230.7
[5/7 Formula]
    Work: Calculate the value of equation 112.8+4.7 .
    Question type: Mathematical calculation
    Solution:
          112.8+4.7
        =117.5
    Answer:112.8+4.7=117.5
[6/7 Formula]
    Work: Calculate the value of equation 119.4-5.5 .
    Question type: Mathematical calculation
    Solution:
          119.4-5.5
        =113.9
    Answer:119.4-5.5=113.9
[7/7 Formula]
    Work: Calculate the value of equation 223.6+3.7 .
    Question type: Mathematical calculation
    Solution:
          223.6+3.7
        =227.3
    Answer:223.6+3.7=227.3

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>>注：本次最多计算 7 道题。

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