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: 16×8
    Solution:
    16×8 = 128
    Column vertical calculation:

						1	6
✖							8
					1	2	8
					1	2	8

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 6×40
    Solution:
    6×40 = 240
    Column vertical calculation:

							6
✖						4	0
							0
					2	4
					2	4	0

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 5×50
    Solution:
    5×50 = 250
    Column vertical calculation:

							5
✖						5	0
							0
					2	5
					2	5	0

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 13×4
    Solution:
    13×4 = 52
    Column vertical calculation:

						1	3
✖							4
						5	2
						5	2

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 70×4
    Solution:
    70×4 = 280
    Column vertical calculation:

						7	0
✖							4
					2	8	0
					2	8	0

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 10×5
    Solution:
    10×5 = 50
    Column vertical calculation:

						1	0
✖							5
						5	0
						5	0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 11×5
    Solution:
    11×5 = 55
    Column vertical calculation:

						1	1
✖							5
						5	5
						5	5

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>>注：本次最多计算 7 道题。

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