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: 42×8
    Solution:
    42×8 = 336
    Column vertical calculation:

						4	2
✖							8
					3	3	6
					3	3	6

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 49×8
    Solution:
    49×8 = 392
    Column vertical calculation:

						4	9
✖							8
					3	9	2
					3	9	2

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 14×8
    Solution:
    14×8 = 112
    Column vertical calculation:

						1	4
✖							8
					1	1	2
					1	1	2

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 52×8
    Solution:
    52×8 = 416
    Column vertical calculation:

						5	2
✖							8
					4	1	6
					4	1	6

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 62×8
    Solution:
    62×8 = 496
    Column vertical calculation:

						6	2
✖							8
					4	9	6
					4	9	6

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 69×8
    Solution:
    69×8 = 552
    Column vertical calculation:

						6	9
✖							8
					5	5	2
					5	5	2

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 11×8
    Solution:
    11×8 = 88
    Column vertical calculation:

						1	1
✖							8
						8	8
						8	8

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>>注：本次最多计算 7 道题。

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