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: 92×50
    Solution:
    92×50 = 4600
    Column vertical calculation:

							9	2
✖							5	0
							0	0
					4	6	0
					4	6	0	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 271×5
    Solution:
    271×5 = 1355
    Column vertical calculation:

						2	7	1
✖								5
					1	3	5	5
					1	3	5	5

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 270÷18
    Solution:
    270÷18 = 15
    Column vertical calculation:

				1	5
1	8	丿	2	7	0
			1	8
				9	0
				9	0
					0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 23×40
    Solution:
    23×40 = 920
    Column vertical calculation:

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

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 132×4
    Solution:
    132×4 = 528
    Column vertical calculation:

						1	3	2
✖								4
						5	2	8
						5	2	8

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 140÷4
    Solution:
    140÷4 = 35
    Column vertical calculation:

			3	5
4	丿	1	4	0
		1	2
			2	0
			2	0
				0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 97×50
    Solution:
    97×50 = 4850
    Column vertical calculation:

							9	7
✖							5	0
							0	0
					4	8	5
					4	8	5	0

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>>注：本次最多计算 7 道题。

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