Overview: 4 questions will be solved this time.Among them
           ☆4 integer calculations

[1/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 382/43
    Solution:
    382/43 = 8 ··· ··· 38
    Column vertical calculation:

					8
4	3	丿	3	8	2
			3	4	4
				3	8

[2/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 176/66
    Solution:
    176/66 = 2 ··· ··· 44
    Column vertical calculation:

					2
6	6	丿	1	7	6
			1	3	2
				4	4

[3/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 234/67
    Solution:
    234/67 = 3 ··· ··· 33
    Column vertical calculation:

					3
6	7	丿	2	3	4
			2	0	1
				3	3

[4/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 885/72
    Solution:
    885/72 = 12 ··· ··· 21
    Column vertical calculation:

				1	2
7	2	丿	8	8	5
			7	2
			1	6	5
			1	4	4
				2	1

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