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: 59×30
    Solution:
    59×30 = 1770
    Column vertical calculation:

							5	9
✖							3	0
							0	0
					1	7	7
					1	7	7	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 203×3
    Solution:
    203×3 = 609
    Column vertical calculation:

						2	0	3
✖								3
						6	0	9
						6	0	9

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 440÷11
    Solution:
    440÷11 = 40
    Column vertical calculation:

				4	0
1	1	丿	4	4	0
			4	4
				0	0
					0
					0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 74×30
    Solution:
    74×30 = 2220
    Column vertical calculation:

							7	4
✖							3	0
							0	0
					2	2	2
					2	2	2	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 233×3
    Solution:
    233×3 = 699
    Column vertical calculation:

						2	3	3
✖								3
						6	9	9
						6	9	9

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 350÷14
    Solution:
    350÷14 = 25
    Column vertical calculation:

				2	5
1	4	丿	3	5	0
			2	8
				7	0
				7	0
					0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 66×60
    Solution:
    66×60 = 3960
    Column vertical calculation:

							6	6
✖							6	0
							0	0
					3	9	6
					3	9	6	0

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>>注：本次最多计算 7 道题。

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