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: 244×600
    Solution:
    244×600 = 146400
    Column vertical calculation:

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

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 2048×80
    Solution:
    2048×80 = 163840
    Column vertical calculation:

							2	0	4	8
✖									8	0
							0	0	0	0
					1	6	3	8	4
					1	6	3	8	4	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 4200÷350
    Solution:
    4200÷350 = 12
    Column vertical calculation:

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

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 284×200
    Solution:
    284×200 = 56800
    Column vertical calculation:

								2	8	4
✖								2	0	0
								0	0	0
							0	0	0
						5	6	8
						5	6	8	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 2088×70
    Solution:
    2088×70 = 146160
    Column vertical calculation:

							2	0	8	8
✖									7	0
							0	0	0	0
					1	4	6	1	6
					1	4	6	1	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1800÷360
    Solution:
    1800÷360 = 5
    Column vertical calculation:

							5
3	6	0	丿	1	8	0	0
				1	8	0	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 435×700
    Solution:
    435×700 = 304500
    Column vertical calculation:

								4	3	5
✖								7	0	0
								0	0	0
							0	0	0
					3	0	4	5
					3	0	4	5	0	0

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>>注：本次最多计算 7 道题。

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