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: 407×50
    Solution:
    407×50 = 20350
    Column vertical calculation:

							4	0	7
✖								5	0
							0	0	0
					2	0	3	5
					2	0	3	5	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 181×50
    Solution:
    181×50 = 9050
    Column vertical calculation:

							1	8	1
✖								5	0
							0	0	0
						9	0	5
						9	0	5	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 2700÷90
    Solution:
    2700÷90 = 30
    Column vertical calculation:

					3	0
9	0	丿	2	7	0	0
			2	7	0
					0	0
						0
						0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 60×200
    Solution:
    60×200 = 12000
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 204×20
    Solution:
    204×20 = 4080
    Column vertical calculation:

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

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 5500÷110
    Solution:
    5500÷110 = 50
    Column vertical calculation:

						5	0
1	1	0	丿	5	5	0	0
				5	5	0
						0	0
							0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 14×500
    Solution:
    14×500 = 7000
    Column vertical calculation:

								1	4
✖							5	0	0
								0	0
							0	0
						7	0
						7	0	0	0

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>>注：本次最多计算 7 道题。

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