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: 58×40
    Solution:
    58×40 = 2320
    Column vertical calculation:

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

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 202×4
    Solution:
    202×4 = 808
    Column vertical calculation:

						2	0	2
✖								4
						8	0	8
						8	0	8

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 330÷11
    Solution:
    330÷11 = 30
    Column vertical calculation:

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

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 96×60
    Solution:
    96×60 = 5760
    Column vertical calculation:

							9	6
✖							6	0
							0	0
					5	7	6
					5	7	6	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 280×6
    Solution:
    280×6 = 1680
    Column vertical calculation:

						2	8	0
✖								6
					1	6	8	0
					1	6	8	0

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 190÷19
    Solution:
    190÷19 = 10
    Column vertical calculation:

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

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 93×40
    Solution:
    93×40 = 3720
    Column vertical calculation:

							9	3
✖							4	0
							0	0
					3	7	2
					3	7	2	0

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>>注：本次最多计算 7 道题。

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