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: 46×60
    Solution:
    46×60 = 2760
    Column vertical calculation:

							4	6
✖							6	0
							0	0
					2	7	6
					2	7	6	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 180×6
    Solution:
    180×6 = 1080
    Column vertical calculation:

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

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 180÷9
    Solution:
    180÷9 = 20
    Column vertical calculation:

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

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 57×50
    Solution:
    57×50 = 2850
    Column vertical calculation:

							5	7
✖							5	0
							0	0
					2	8	5
					2	8	5	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 201×5
    Solution:
    201×5 = 1005
    Column vertical calculation:

						2	0	1
✖								5
					1	0	0	5
					1	0	0	5

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 220÷11
    Solution:
    220÷11 = 20
    Column vertical calculation:

				2	0
1	1	丿	2	2	0
			2	2
				0	0
					0
					0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 52×50
    Solution:
    52×50 = 2600
    Column vertical calculation:

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

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>>注：本次最多计算 7 道题。

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