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: 536×700
    Solution:
    536×700 = 375200
    Column vertical calculation:

								5	3	6
✖								7	0	0
								0	0	0
							0	0	0
					3	7	5	2
					3	7	5	2	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 5025×80
    Solution:
    5025×80 = 402000
    Column vertical calculation:

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

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 2160÷540
    Solution:
    2160÷540 = 4
    Column vertical calculation:

							4
5	4	0	丿	2	1	6	0
				2	1	6	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 725×700
    Solution:
    725×700 = 507500
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 7026×40
    Solution:
    7026×40 = 281040
    Column vertical calculation:

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

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 4200÷700
    Solution:
    4200÷700 = 6
    Column vertical calculation:

							6
7	0	0	丿	4	2	0	0
				4	2	0	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 176×300
    Solution:
    176×300 = 52800
    Column vertical calculation:

								1	7	6
✖								3	0	0
								0	0	0
							0	0	0
						5	2	8
						5	2	8	0	0

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>>注：本次最多计算 7 道题。

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