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: 256×500
    Solution:
    256×500 = 128000
    Column vertical calculation:

								2	5	6
✖								5	0	0
								0	0	0
							0	0	0
					1	2	8	0
					1	2	8	0	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 2052×90
    Solution:
    2052×90 = 184680
    Column vertical calculation:

							2	0	5	2
✖									9	0
							0	0	0	0
					1	8	4	6	8
					1	8	4	6	8	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 8400÷350
    Solution:
    8400÷350 = 24
    Column vertical calculation:

						2	4
3	5	0	丿	8	4	0	0
				7	0	0
				1	4	0	0
				1	4	0	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 272×300
    Solution:
    272×300 = 81600
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 2076×60
    Solution:
    2076×60 = 124560
    Column vertical calculation:

							2	0	7	6
✖									6	0
							0	0	0	0
					1	2	4	5	6
					1	2	4	5	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1440÷360
    Solution:
    1440÷360 = 4
    Column vertical calculation:

							4
3	6	0	丿	1	4	4	0
				1	4	4	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 473×300
    Solution:
    473×300 = 141900
    Column vertical calculation:

								4	7	3
✖								3	0	0
								0	0	0
							0	0	0
					1	4	1	9
					1	4	1	9	0	0

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>>注：本次最多计算 7 道题。

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