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: 930×40
    Solution:
    930×40 = 37200
    Column vertical calculation:

							9	3	0
✖								4	0
							0	0	0
					3	7	2	0
					3	7	2	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 272×40
    Solution:
    272×40 = 10880
    Column vertical calculation:

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

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 3600÷180
    Solution:
    3600÷180 = 20
    Column vertical calculation:

						2	0
1	8	0	丿	3	6	0	0
				3	6	0
						0	0
							0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 908×40
    Solution:
    908×40 = 36320
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 282×40
    Solution:
    282×40 = 11280
    Column vertical calculation:

							2	8	2
✖								4	0
							0	0	0
					1	1	2	8
					1	1	2	8	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 5700÷190
    Solution:
    5700÷190 = 30
    Column vertical calculation:

						3	0
1	9	0	丿	5	7	0	0
				5	7	0
						0	0
							0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 82×500
    Solution:
    82×500 = 41000
    Column vertical calculation:

								8	2
✖							5	0	0
								0	0
							0	0
					4	1	0
					4	1	0	0	0

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>>注：本次最多计算 7 道题。

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