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: 5+25
    Solution:
    5+25 = 30
    Column vertical calculation:

				5
➕			21	5
			3	0

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 64+25
    Solution:
    64+25 = 89
    Column vertical calculation:

			6	4
➕			2	5
			8	9

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 65+34
    Solution:
    65+34 = 99
    Column vertical calculation:

			6	5
➕			3	4
			9	9

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 66+23
    Solution:
    66+23 = 89
    Column vertical calculation:

			6	6
➕			2	3
			8	9

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 3+24
    Solution:
    3+24 = 27
    Column vertical calculation:

				3
➕			2	4
			2	7

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 6+24
    Solution:
    6+24 = 30
    Column vertical calculation:

				6
➕			21	4
			3	0

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 54+25
    Solution:
    54+25 = 79
    Column vertical calculation:

			5	4
➕			2	5
			7	9

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>>注：本次最多计算 7 道题。

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