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: 98×13
    Solution:
    98×13 = 1274
    Column vertical calculation:

							9	8
✖							1	3
						2	9	4
						9	8
					1	2	7	4

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 34×91
    Solution:
    34×91 = 3094
    Column vertical calculation:

							3	4
✖							9	1
							3	4
					3	0	6
					3	0	9	4

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 32×44
    Solution:
    32×44 = 1408
    Column vertical calculation:

							3	2
✖							4	4
						1	2	8
					1	2	8
					1	4	0	8

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 93×42
    Solution:
    93×42 = 3906
    Column vertical calculation:

							9	3
✖							4	2
						1	8	6
					3	7	2
					3	9	0	6

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 24×33
    Solution:
    24×33 = 792
    Column vertical calculation:

							2	4
✖							3	3
							7	2
						7	2
						7	9	2

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 13×36
    Solution:
    13×36 = 468
    Column vertical calculation:

							1	3
✖							3	6
							7	8
						3	9
						4	6	8

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 33×11
    Solution:
    33×11 = 363
    Column vertical calculation:

							3	3
✖							1	1
							3	3
						3	3
						3	6	3

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>>注：本次最多计算 7 道题。

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