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: 910×60
    Solution:
    910×60 = 54600
    Column vertical calculation:

							9	1	0
✖								6	0
							0	0	0
					5	4	6	0
					5	4	6	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 270×60
    Solution:
    270×60 = 16200
    Column vertical calculation:

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

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 1800÷180
    Solution:
    1800÷180 = 10
    Column vertical calculation:

						1	0
1	8	0	丿	1	8	0	0
				1	8	0
						0	0
							0
							0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 100×200
    Solution:
    100×200 = 20000
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 284×20
    Solution:
    284×20 = 5680
    Column vertical calculation:

							2	8	4
✖								2	0
							0	0	0
						5	6	8
						5	6	8	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 9500÷190
    Solution:
    9500÷190 = 50
    Column vertical calculation:

						5	0
1	9	0	丿	9	5	0	0
				9	5	0
						0	0
							0
							0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 38×400
    Solution:
    38×400 = 15200
    Column vertical calculation:

								3	8
✖							4	0	0
								0	0
							0	0
					1	5	2
					1	5	2	0	0

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>>注：本次最多计算 7 道题。

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