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: 510×60
    Solution:
    510×60 = 30600
    Column vertical calculation:

							5	1	0
✖								6	0
							0	0	0
					3	0	6	0
					3	0	6	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 190×60
    Solution:
    190×60 = 11400
    Column vertical calculation:

							1	9	0
✖								6	0
							0	0	0
					1	1	4	0
					1	1	4	0	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1000÷100
    Solution:
    1000÷100 = 10
    Column vertical calculation:

						1	0
1	0	0	丿	1	0	0	0
				1	0	0
						0	0
							0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 36×600
    Solution:
    36×600 = 21600
    Column vertical calculation:

								3	6
✖							6	0	0
								0	0
							0	0
					2	1	6
					2	1	6	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 160×60
    Solution:
    160×60 = 9600
    Column vertical calculation:

							1	6	0
✖								6	0
							0	0	0
						9	6	0
						9	6	0	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1400÷70
    Solution:
    1400÷70 = 20
    Column vertical calculation:

					2	0
7	0	丿	1	4	0	0
			1	4	0
					0	0
						0
						0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 907×50
    Solution:
    907×50 = 45350
    Column vertical calculation:

							9	0	7
✖								5	0
							0	0	0
					4	5	3	5
					4	5	3	5	0

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>>注：本次最多计算 7 道题。

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