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+13
    Solution:
    34+13 = 47
    Column vertical calculation:

			3	4
➕			1	3
			4	7

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 45+32
    Solution:
    45+32 = 77
    Column vertical calculation:

			4	5
➕			3	2
			7	7

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 32+32
    Solution:
    32+32 = 64
    Column vertical calculation:

			3	2
➕			3	2
			6	4

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 23+41
    Solution:
    23+41 = 64
    Column vertical calculation:

			2	3
➕			4	1
			6	4

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 35+12
    Solution:
    35+12 = 47
    Column vertical calculation:

			3	5
➕			1	2
			4	7

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 21+44
    Solution:
    21+44 = 65
    Column vertical calculation:

			2	1
➕			4	4
			6	5

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 21+13
    Solution:
    21+13 = 34
    Column vertical calculation:

			2	1
➕			1	3
			3	4

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>>注：本次最多计算 7 道题。

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