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: 361/46
    Solution:
    361/46 = 7 ··· ··· 39
    Column vertical calculation:

					7
4	6	丿	3	6	1
			3	2	2
				3	9

[2/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 802/75
    Solution:
    802/75 = 10 ··· ··· 52
    Column vertical calculation:

				1	0
7	5	丿	8	0	2
			7	5
				5	2
					0
				5	2

[3/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 830/48
    Solution:
    830/48 = 17 ··· ··· 14
    Column vertical calculation:

				1	7
4	8	丿	8	3	0
			4	8
			3	5	0
			3	3	6
				1	4

[4/4 Integer column vertical calculation]
    Question type: Integer division
    Original question: 375/89
    Solution:
    375/89 = 4 ··· ··· 19
    Column vertical calculation:

					4
8	9	丿	3	7	5
			3	5	6
				1	9

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