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

[1/7 Formula]
    Work: Calculate the value of equation 677-77+75 .
    Question type: Mathematical calculation
    Solution:
          677-77+75
        =600+75
        =675
    Answer:677-77+75=675
[2/7 Formula]
    Work: Calculate the value of equation 336-45-36 .
    Question type: Mathematical calculation
    Solution:
          336-45-36
        =291-36
        =255
    Answer:336-45-36=255
[3/7 Formula]
    Work: Calculate the value of equation 759-126-259 .
    Question type: Mathematical calculation
    Solution:
          759-126-259
        =633-259
        =374
    Answer:759-126-259=374
[4/7 Formula]
    Work: Calculate the value of equation 569-269-44 .
    Question type: Mathematical calculation
    Solution:
          569-269-44
        =300-44
        =256
    Answer:569-269-44=256
[5/7 Formula]
    Work: Calculate the value of equation 672-36-72 .
    Question type: Mathematical calculation
    Solution:
          672-36-72
        =636-72
        =564
    Answer:672-36-72=564
[6/7 Formula]
    Work: Calculate the value of equation 800-138-162 .
    Question type: Mathematical calculation
    Solution:
          800-138-162
        =662-162
        =500
    Answer:800-138-162=500
[7/7 Formula]
    Work: Calculate the value of equation 765-186+35 .
    Question type: Mathematical calculation
    Solution:
          765-186+35
        =579+35
        =614
    Answer:765-186+35=614

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>>注：本次最多计算 7 道题。

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