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: 101×60
    Solution:
    101×60 = 6060
    Column vertical calculation:

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

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 290×6
    Solution:
    290×6 = 1740
    Column vertical calculation:

						2	9	0
✖								6
					1	7	4	0
					1	7	4	0

[3/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 100÷20
    Solution:
    100÷20 = 5
    Column vertical calculation:

					5
2	0	丿	1	0	0
			1	0	0
					0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 90×20
    Solution:
    90×20 = 1800
    Column vertical calculation:

							9	0
✖							2	0
							0	0
					1	8	0
					1	8	0	0

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 264×2
    Solution:
    264×2 = 528
    Column vertical calculation:

						2	6	4
✖								2
						5	2	8
						5	2	8

[6/7 Integer column vertical calculation]
    Question type: Integer division
    Original question: 850÷17
    Solution:
    850÷17 = 50
    Column vertical calculation:

				5	0
1	7	丿	8	5	0
			8	5
				0	0
					0
					0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 107×50
    Solution:
    107×50 = 5350
    Column vertical calculation:

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

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>>注：本次最多计算 7 道题。

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