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

[1/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 34+4
    Solution:
    34+4 = 38
    Column vertical calculation:

			3	4
➕				4
			3	8

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 32+4
    Solution:
    32+4 = 36
    Column vertical calculation:

			3	2
➕				4
			3	6

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 23+12
    Solution:
    23+12 = 35
    Column vertical calculation:

			2	3
➕			1	2
			3	5

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 33+10
    Solution:
    33+10 = 43
    Column vertical calculation:

			3	3
➕			1	0
			4	3

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 44+3
    Solution:
    44+3 = 47
    Column vertical calculation:

			4	4
➕				3
			4	7

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 54+3
    Solution:
    54+3 = 57
    Column vertical calculation:

			5	4
➕				3
			5	7

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 16+13
    Solution:
    16+13 = 29
    Column vertical calculation:

			1	6
➕			1	3
			2	9

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>>注：本次最多计算 7 道题。

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