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

[1/7 Formula]
    Work: Calculate the value of equation 434-66-34 .
    Question type: Mathematical calculation
    Solution:
          434-66-34
        =368-34
        =334
    Answer:434-66-34=334
[2/7 Formula]
    Work: Calculate the value of equation 448-52-48 .
    Question type: Mathematical calculation
    Solution:
          448-52-48
        =396-48
        =348
    Answer:448-52-48=348
[3/7 Formula]
    Work: Calculate the value of equation 435-65-35 .
    Question type: Mathematical calculation
    Solution:
          435-65-35
        =370-35
        =335
    Answer:435-65-35=335
[4/7 Formula]
    Work: Calculate the value of equation 436-64-36 .
    Question type: Mathematical calculation
    Solution:
          436-64-36
        =372-36
        =336
    Answer:436-64-36=336
[5/7 Formula]
    Work: Calculate the value of equation 472-56-44 .
    Question type: Mathematical calculation
    Solution:
          472-56-44
        =416-44
        =372
    Answer:472-56-44=372
[6/7 Formula]
    Work: Calculate the value of equation 486-43-57 .
    Question type: Mathematical calculation
    Solution:
          486-43-57
        =443-57
        =386
    Answer:486-43-57=386
[7/7 Formula]
    Work: Calculate the value of equation 472-23-77 .
    Question type: Mathematical calculation
    Solution:
          472-23-77
        =449-77
        =372
    Answer:472-23-77=372

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>>注：本次最多计算 7 道题。

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