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: 152×500
    Solution:
    152×500 = 76000
    Column vertical calculation:

								1	5	2
✖								5	0	0
								0	0	0
							0	0	0
						7	6	0
						7	6	0	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 1059×90
    Solution:
    1059×90 = 95310
    Column vertical calculation:

							1	0	5	9
✖									9	0
							0	0	0	0
						9	5	3	1
						9	5	3	1	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 2000÷250
    Solution:
    2000÷250 = 8
    Column vertical calculation:

							8
2	5	0	丿	2	0	0	0
				2	0	0	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 576×300
    Solution:
    576×300 = 172800
    Column vertical calculation:

								5	7	6
✖								3	0	0
								0	0	0
							0	0	0
					1	7	2	8
					1	7	2	8	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 5064×40
    Solution:
    5064×40 = 202560
    Column vertical calculation:

							5	0	6	4
✖									4	0
							0	0	0	0
					2	0	2	5	6
					2	0	2	5	6	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1680÷560
    Solution:
    1680÷560 = 3
    Column vertical calculation:

							3
5	6	0	丿	1	6	8	0
				1	6	8	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 485×200
    Solution:
    485×200 = 97000
    Column vertical calculation:

								4	8	5
✖								2	0	0
								0	0	0
							0	0	0
						9	7	0
						9	7	0	0	0

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>>注：本次最多计算 7 道题。

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