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+11
    Solution:
    34+11 = 45
    Column vertical calculation:

			3	4
➕			1	1
			4	5

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 45+12
    Solution:
    45+12 = 57
    Column vertical calculation:

			4	5
➕			1	2
			5	7

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 32+12
    Solution:
    32+12 = 44
    Column vertical calculation:

			3	2
➕			1	2
			4	4

[4/7 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

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 35+13
    Solution:
    35+13 = 48
    Column vertical calculation:

			3	5
➕			1	3
			4	8

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 21+4
    Solution:
    21+4 = 25
    Column vertical calculation:

			2	1
➕				4
			2	5

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 21+11
    Solution:
    21+11 = 32
    Column vertical calculation:

			2	1
➕			1	1
			3	2

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>>注：本次最多计算 7 道题。

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