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

[1/7 Formula]
    Work: Calculate the value of equation 672-36+28 .
    Question type: Mathematical calculation
    Solution:
          672-36+28
        =636+28
        =664
    Answer:672-36+28=664
[2/7 Formula]
    Work: Calculate the value of equation 632-136+68 .
    Question type: Mathematical calculation
    Solution:
          632-136+68
        =496+68
        =564
    Answer:632-136+68=564
[3/7 Formula]
    Work: Calculate the value of equation 676-155-76 .
    Question type: Mathematical calculation
    Solution:
          676-155-76
        =521-76
        =445
    Answer:676-155-76=445
[4/7 Formula]
    Work: Calculate the value of equation 456-128+44 .
    Question type: Mathematical calculation
    Solution:
          456-128+44
        =328+44
        =372
    Answer:456-128+44=372
[5/7 Formula]
    Work: Calculate the value of equation 357-135+43 .
    Question type: Mathematical calculation
    Solution:
          357-135+43
        =222+43
        =265
    Answer:357-135+43=265
[6/7 Formula]
    Work: Calculate the value of equation 665-230+35 .
    Question type: Mathematical calculation
    Solution:
          665-230+35
        =435+35
        =470
    Answer:665-230+35=470
[7/7 Formula]
    Work: Calculate the value of equation 662-36+38 .
    Question type: Mathematical calculation
    Solution:
          662-36+38
        =626+38
        =664
    Answer:662-36+38=664

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>>注：本次最多计算 7 道题。

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