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

[1/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 82-59
    Solution:
    82-59 = 23
    Column vertical calculation:

			1
			8	2
➖			5	9
			2	3

[2/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 76-44
    Solution:
    76-44 = 32
    Column vertical calculation:

			7	6
➖			4	4
			3	2

[3/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 96-35
    Solution:
    96-35 = 61
    Column vertical calculation:

			9	6
➖			3	5
			6	1

[4/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 26-19
    Solution:
    26-19 = 7
    Column vertical calculation:

			1
			2	6
➖			1	9
			0	7

[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 93-64
    Solution:
    93-64 = 29
    Column vertical calculation:

			1
			9	3
➖			6	4
			2	9

[6/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 59-23
    Solution:
    59-23 = 36
    Column vertical calculation:

			5	9
➖			2	3
			3	6

[7/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 84-42
    Solution:
    84-42 = 42
    Column vertical calculation:

			8	4
➖			4	2
			4	2

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>>注：本次最多计算 7 道题。

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