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: 148×600
    Solution:
    148×600 = 88800
    Column vertical calculation:

								1	4	8
✖								6	0	0
								0	0	0
							0	0	0
						8	8	8
						8	8	8	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 1047×80
    Solution:
    1047×80 = 83760
    Column vertical calculation:

							1	0	4	7
✖									8	0
							0	0	0	0
						8	3	7	6
						8	3	7	6	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1500÷250
    Solution:
    1500÷250 = 6
    Column vertical calculation:

							6
2	5	0	丿	1	5	0	0
				1	5	0	0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 817×800
    Solution:
    817×800 = 653600
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 8015×50
    Solution:
    8015×50 = 400750
    Column vertical calculation:

							8	0	1	5
✖									5	0
							0	0	0	0
					4	0	0	7	5
					4	0	0	7	5	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 2400÷800
    Solution:
    2400÷800 = 3
    Column vertical calculation:

							3
8	0	0	丿	2	4	0	0
				2	4	0	0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 763×300
    Solution:
    763×300 = 228900
    Column vertical calculation:

								7	6	3
✖								3	0	0
								0	0	0
							0	0	0
					2	2	8	9
					2	2	8	9	0	0

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>>注：本次最多计算 7 道题。

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