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

[1/7 Formula]
    Work: Calculate the value of equation 1169-(253-31) .
    Question type: Mathematical calculation
    Solution:
          1169-(253-31)
        =1169-222
        =947
    Answer:1169-(253-31)=947
[2/7 Formula]
    Work: Calculate the value of equation 1272-(36-28) .
    Question type: Mathematical calculation
    Solution:
          1272-(36-28)
        =1272-8
        =1264
    Answer:1272-(36-28)=1264
[3/7 Formula]
    Work: Calculate the value of equation 1232-(136-68) .
    Question type: Mathematical calculation
    Solution:
          1232-(136-68)
        =1232-68
        =1164
    Answer:1232-(136-68)=1164
[4/7 Formula]
    Work: Calculate the value of equation 1156-(128-44) .
    Question type: Mathematical calculation
    Solution:
          1156-(128-44)
        =1156-84
        =1072
    Answer:1156-(128-44)=1072
[5/7 Formula]
    Work: Calculate the value of equation 957-(135-43) .
    Question type: Mathematical calculation
    Solution:
          957-(135-43)
        =957-92
        =865
    Answer:957-(135-43)=865
[6/7 Formula]
    Work: Calculate the value of equation 1265-(230-35) .
    Question type: Mathematical calculation
    Solution:
          1265-(230-35)
        =1265-195
        =1070
    Answer:1265-(230-35)=1070
[7/7 Formula]
    Work: Calculate the value of equation 1262-(36-38) .
    Question type: Mathematical calculation
    Solution:
          1262-(36-38)
        =1262-(-2)
        =1264
    Answer:1262-(36-38)=1264

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>>注：本次最多计算 7 道题。

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