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: 32×2
    Solution:
    32×2 = 64
    Column vertical calculation:

						3	2
✖							2
						6	4
						6	4

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 32×3
    Solution:
    32×3 = 96
    Column vertical calculation:

						3	2
✖							3
						9	6
						9	6

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 32×1
    Solution:
    32×1 = 32
    Column vertical calculation:

						3	2
✖							1
						3	2
						3	2

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 42×3
    Solution:
    42×3 = 126
    Column vertical calculation:

						4	2
✖							3
					1	2	6
					1	2	6

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 52×2
    Solution:
    52×2 = 104
    Column vertical calculation:

						5	2
✖							2
					1	0	4
					1	0	4

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 52×5
    Solution:
    52×5 = 260
    Column vertical calculation:

						5	2
✖							5
					2	6	0
					2	6	0

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 52×4
    Solution:
    52×4 = 208
    Column vertical calculation:

						5	2
✖							4
					2	0	8
					2	0	8

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>>注：本次最多计算 7 道题。

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