Overview: 3 questions will be solved this time.Among them
           ☆3 integer calculations

[1/3 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 24+22
    Solution:
    24+22 = 46
    Column vertical calculation:

			2	4
➕			2	2
			4	6

[2/3 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 82-19
    Solution:
    82-19 = 63
    Column vertical calculation:

			1
			8	2
➖			1	9
			6	3

[3/3 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 98-46
    Solution:
    98-46 = 52
    Column vertical calculation:

			9	8
➖			4	6
			5	2

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