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: 950×20
    Solution:
    950×20 = 19000
    Column vertical calculation:

							9	5	0
✖								2	0
							0	0	0
					1	9	0	0
					1	9	0	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 274×20
    Solution:
    274×20 = 5480
    Column vertical calculation:

							2	7	4
✖								2	0
							0	0	0
						5	4	8
						5	4	8	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 5400÷180
    Solution:
    5400÷180 = 30
    Column vertical calculation:

						3	0
1	8	0	丿	5	4	0	0
				5	4	0
						0	0
							0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 96×600
    Solution:
    96×600 = 57600
    Column vertical calculation:

								9	6
✖							6	0	0
								0	0
							0	0
					5	7	6
					5	7	6	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 280×60
    Solution:
    280×60 = 16800
    Column vertical calculation:

							2	8	0
✖								6	0
							0	0	0
					1	6	8	0
					1	6	8	0	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1900÷190
    Solution:
    1900÷190 = 10
    Column vertical calculation:

						1	0
1	9	0	丿	1	9	0	0
				1	9	0
						0	0
							0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 807×50
    Solution:
    807×50 = 40350
    Column vertical calculation:

							8	0	7
✖								5	0
							0	0	0
					4	0	3	5
					4	0	3	5	0

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>>注：本次最多计算 7 道题。

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