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: 737×600
    Solution:
    737×600 = 442200
    Column vertical calculation:

								7	3	7
✖								6	0	0
								0	0	0
							0	0	0
					4	4	2	2
					4	4	2	2	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 7038×50
    Solution:
    7038×50 = 351900
    Column vertical calculation:

							7	0	3	8
✖									5	0
							0	0	0	0
					3	5	1	9	0
					3	5	1	9	0	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 6300÷700
    Solution:
    6300÷700 = 9
    Column vertical calculation:

							9
7	0	0	丿	6	3	0	0
				6	3	0	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 859×400
    Solution:
    859×400 = 343600
    Column vertical calculation:

								8	5	9
✖								4	0	0
								0	0	0
							0	0	0
					3	4	3	6
					3	4	3	6	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 8057×90
    Solution:
    8057×90 = 725130
    Column vertical calculation:

							8	0	5	7
✖									9	0
							0	0	0	0
					7	2	5	1	3
					7	2	5	1	3	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1620÷810
    Solution:
    1620÷810 = 2
    Column vertical calculation:

							2
8	1	0	丿	1	6	2	0
				1	6	2	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 136×700
    Solution:
    136×700 = 95200
    Column vertical calculation:

								1	3	6
✖								7	0	0
								0	0	0
							0	0	0
						9	5	2
						9	5	2	0	0

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>>注：本次最多计算 7 道题。

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