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+14
    Solution:
    34+14 = 48
    Column vertical calculation:

			3	4
➕			1	4
			4	8

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 45+33
    Solution:
    45+33 = 78
    Column vertical calculation:

			4	5
➕			3	3
			7	8

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 32+33
    Solution:
    32+33 = 65
    Column vertical calculation:

			3	2
➕			3	3
			6	5

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 23+42
    Solution:
    23+42 = 65
    Column vertical calculation:

			2	3
➕			4	2
			6	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+45
    Solution:
    21+45 = 66
    Column vertical calculation:

			2	1
➕			4	5
			6	6

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 21+14
    Solution:
    21+14 = 35
    Column vertical calculation:

			2	1
➕			1	4
			3	5

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>>注：本次最多计算 7 道题。

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