Overview: 5 questions will be solved this time.Among them
           ☆5 integer calculations

[1/5 Integer column vertical calculation]
    Question type: Integer division
    Original question: 153000÷300
    Solution:
    153000÷300 = 510
    Column vertical calculation:

							5	1	0
3	0	0	丿	1	5	3	0	0	0
				1	5	0	0
						3	0	0
						3	0	0
								0	0
									0
									0

[2/5 Integer column vertical calculation]
    Question type: Integer division
    Original question: 189000÷900
    Solution:
    189000÷900 = 210
    Column vertical calculation:

							2	1	0
9	0	0	丿	1	8	9	0	0	0
				1	8	0	0
						9	0	0
						9	0	0
								0	0
									0
									0

[3/5 Integer column vertical calculation]
    Question type: Integer division
    Original question: 42000÷500
    Solution:
    42000÷500 = 84
    Column vertical calculation:

							8	4
5	0	0	丿	4	2	0	0	0
				4	0	0	0
					2	0	0	0
					2	0	0	0
								0

[4/5 Integer column vertical calculation]
    Question type: Integer division
    Original question: 82000÷800
    Solution:
    82000÷800 = 102 ··· ··· 400
    Column vertical calculation:

						1	0	2
8	0	0	丿	8	2	0	0	0
				8	0	0
					2	0	0	0
					1	6	0	0
						4	0	0

[5/5 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 22700×100
    Solution:
    22700×100 = 2270000
    Column vertical calculation:

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

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