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: 35×96
    Solution:
    35×96 = 3360
    Column vertical calculation:

							3	5
✖							9	6
						2	1	0
					3	1	5
					3	3	6	0

[2/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 77×69
    Solution:
    77×69 = 5313
    Column vertical calculation:

							7	7
✖							6	9
						6	9	3
					4	6	2
					5	3	1	3

[3/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 72×98
    Solution:
    72×98 = 7056
    Column vertical calculation:

							7	2
✖							9	8
						5	7	6
					6	4	8
					7	0	5	6

[4/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 42×56
    Solution:
    42×56 = 2352
    Column vertical calculation:

							4	2
✖							5	6
						2	5	2
					2	1	0
					2	3	5	2

[5/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 26×82
    Solution:
    26×82 = 2132
    Column vertical calculation:

							2	6
✖							8	2
							5	2
					2	0	8
					2	1	3	2

[6/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 96×29
    Solution:
    96×29 = 2784
    Column vertical calculation:

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

[7/7 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 58×26
    Solution:
    58×26 = 1508
    Column vertical calculation:

							5	8
✖							2	6
						3	4	8
					1	1	6
					1	5	0	8

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>>注：本次最多计算 7 道题。

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