Overview: 6 questions will be solved this time.Among them
           ☆1 arithmetic calculations
           ☆5 integer calculations

[1/6 Formula]
    Work: Calculate the value of equation 0.7*8 .
    Question type: Mathematical calculation
    Solution:
          0.7*8
        =5.6
    Answer:0.7*8=5.6
[2/6 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 56+23
    Solution:
    56+23 = 79
    Column vertical calculation:

			5	6
➕			2	3
			7	9

[3/6 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 34+56
    Solution:
    34+56 = 90
    Column vertical calculation:

			3	4
➕			51	6
			9	0

[4/6 Integer column vertical calculation]
    Question type: Integer multiplication
    Original question: 9*8
    Solution:
    9*8 = 72
    Column vertical calculation:

						9
✖						8
					7	2
					7	2

[5/6 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 562-70
    Solution:
    562-70 = 492
    Column vertical calculation:

			1
			5	6	2
➖				7	0
			4	9	2

[6/6 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 502-34
    Solution:
    502-34 = 468
    Column vertical calculation:

			1	1
			5	0	2
➖				3	4
			4	6	8

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