Overview: 7 questions will be solved this time.Among them
           ☆7 integer calculations

[1/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 825×700
    Solution:
    825×700 = 577500
    Column vertical calculation:

								8	2	5
✖								7	0	0
								0	0	0
							0	0	0
					5	7	7	5
					5	7	7	5	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 8028×60
    Solution:
    8028×60 = 481680
    Column vertical calculation:

							8	0	2	8
✖									6	0
							0	0	0	0
					4	8	1	6	8
					4	8	1	6	8	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 4800÷800
    Solution:
    4800÷800 = 6
    Column vertical calculation:

							6
8	0	0	丿	4	8	0	0
				4	8	0	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 397×300
    Solution:
    397×300 = 119100
    Column vertical calculation:

								3	9	7
✖								3	0	0
								0	0	0
							0	0	0
					1	1	9	1
					1	1	9	1	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 3087×30
    Solution:
    3087×30 = 92610
    Column vertical calculation:

							3	0	8	7
✖									3	0
							0	0	0	0
						9	2	6	1
						9	2	6	1	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 3600÷450
    Solution:
    3600÷450 = 8
    Column vertical calculation:

							8
4	5	0	丿	3	6	0	0
				3	6	0	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 411×900
    Solution:
    411×900 = 369900
    Column vertical calculation:

								4	1	1
✖								9	0	0
								0	0	0
							0	0	0
					3	6	9	9
					3	6	9	9	0	0

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>>注：本次最多计算 7 道题。

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