Overview: 7 questions will be solved this time.Among them
           ☆7 integer calculations

[1/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 718+174
    Solution:
    718+174 = 892
    Column vertical calculation:

			7	1	8
➕			1	71	4
			8	9	2

[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 810+466
    Solution:
    810+466 = 1276
    Column vertical calculation:

			8	1	0
➕		1	4	6	6
		1	2	7	6

[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 445+277
    Solution:
    445+277 = 722
    Column vertical calculation:

			4	4	5
➕			21	71	7
			7	2	2

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 356+626
    Solution:
    356+626 = 982
    Column vertical calculation:

			3	5	6
➕			6	21	6
			9	8	2

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 1001+455
    Solution:
    1001+455 = 1456
    Column vertical calculation:

			1	0	0	1
➕				4	5	5
			1	4	5	6

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 345+543
    Solution:
    345+543 = 888
    Column vertical calculation:

			3	4	5
➕			5	4	3
			8	8	8

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 957+679
    Solution:
    957+679 = 1636
    Column vertical calculation:

			9	5	7
➕		1	61	71	9
		1	6	3	6

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>>注：本次最多计算 7 道题。

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