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: 55×20
    Solution:
    55×20 = 1100
    Column vertical calculation:

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

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 194×2
    Solution:
    194×2 = 388
    Column vertical calculation:

						1	9	4
✖								2
						3	8	8
						3	8	8

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 300÷10
    Solution:
    300÷10 = 30
    Column vertical calculation:

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

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 56×60
    Solution:
    56×60 = 3360
    Column vertical calculation:

							5	6
✖							6	0
							0	0
					3	3	6
					3	3	6	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 200×6
    Solution:
    200×6 = 1200
    Column vertical calculation:

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

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 110÷11
    Solution:
    110÷11 = 10
    Column vertical calculation:

				1	0
1	1	丿	1	1	0
			1	1
				0	0
					0
					0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 76×60
    Solution:
    76×60 = 4560
    Column vertical calculation:

							7	6
✖							6	0
							0	0
					4	5	6
					4	5	6	0

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>>注：本次最多计算 7 道题。

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