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: 9302×600
    Solution:
    9302×600 = 5581200
    Column vertical calculation:

								9	3	0	2
✖									6	0	0
								0	0	0	0
							0	0	0	0
					5	5	8	1	2
					5	5	8	1	2	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 90310×90
    Solution:
    90310×90 = 8127900
    Column vertical calculation:

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

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 28800÷2400
    Solution:
    28800÷2400 = 12
    Column vertical calculation:

								1	2
2	4	0	0	丿	2	8	8	0	0
					2	4	0	0
						4	8	0	0
						4	8	0	0
									0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 964×3000
    Solution:
    964×3000 = 2892000
    Column vertical calculation:

									9	6	4
✖								3	0	0	0
									0	0	0
								0	0	0
							0	0	0
					2	8	9	2
					2	8	9	2	0	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 9067×400
    Solution:
    9067×400 = 3626800
    Column vertical calculation:

								9	0	6	7
✖									4	0	0
								0	0	0	0
							0	0	0	0
					3	6	2	6	8
					3	6	2	6	8	0	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 12600÷420
    Solution:
    12600÷420 = 30
    Column vertical calculation:

							3	0
4	2	0	丿	1	2	6	0	0
				1	2	6	0
							0	0
								0
								0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 6208×800
    Solution:
    6208×800 = 4966400
    Column vertical calculation:

								6	2	0	8
✖									8	0	0
								0	0	0	0
							0	0	0	0
					4	9	6	6	4
					4	9	6	6	4	0	0

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>>注：本次最多计算 7 道题。

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