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: 365*4
    Solution:
    365*4 = 1460
    Column vertical calculation:

						3	6	5
✖								4
					1	4	6	0
					1	4	6	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 43*3
    Solution:
    43*3 = 129
    Column vertical calculation:

						4	3
✖							3
					1	2	9
					1	2	9

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 563*3
    Solution:
    563*3 = 1689
    Column vertical calculation:

						5	6	3
✖								3
					1	6	8	9
					1	6	8	9

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 459*8
    Solution:
    459*8 = 3672
    Column vertical calculation:

						4	5	9
✖								8
					3	6	7	2
					3	6	7	2

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 345*7
    Solution:
    345*7 = 2415
    Column vertical calculation:

						3	4	5
✖								7
					2	4	1	5
					2	4	1	5

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 467*8
    Solution:
    467*8 = 3736
    Column vertical calculation:

						4	6	7
✖								8
					3	7	3	6
					3	7	3	6

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 678*7
    Solution:
    678*7 = 4746
    Column vertical calculation:

						6	7	8
✖								7
					4	7	4	6
					4	7	4	6

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>>注：本次最多计算 7 道题。

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