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

[1/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 4+4
    Solution:
    4+4 = 8
    Column vertical calculation:

			4
➕			4
			8

[2/7 Formula]
    Work: Calculate the value of equation 4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4
        =8+4
        =12
    Answer:4+4+4=12
[3/7 Formula]
    Work: Calculate the value of equation 4+4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4+4
        =8+4+4
        =12+4
        =16
    Answer:4+4+4+4=16
[4/7 Formula]
    Work: Calculate the value of equation 4+4+4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4+4+4
        =8+4+4+4
        =12+4+4
        =16+4
        =20
    Answer:4+4+4+4+4=20
[5/7 Formula]
    Work: Calculate the value of equation 4+4+4+4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4+4+4+4
        =8+4+4+4+4
        =12+4+4+4
        =16+4+4
        =20+4
        =24
    Answer:4+4+4+4+4+4=24
[6/7 Formula]
    Work: Calculate the value of equation 4+4+4+4+4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4+4+4+4+4
        =8+4+4+4+4+4
        =12+4+4+4+4
        =16+4+4+4
        =20+4+4
        =24+4
        =28
    Answer:4+4+4+4+4+4+4=28
[7/7 Formula]
    Work: Calculate the value of equation 4+4+4+4+4+4+4+4 .
    Question type: Mathematical calculation
    Solution:
          4+4+4+4+4+4+4+4
        =8+4+4+4+4+4+4
        =12+4+4+4+4+4
        =16+4+4+4+4
        =20+4+4+4
        =24+4+4
        =28+4
        =32
    Answer:4+4+4+4+4+4+4+4=32

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>>注：本次最多计算 7 道题。

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