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

[1/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 37+18
    Solution:
    37+18 = 55
    Column vertical calculation:

			3	7
➕			11	8
			5	5

[2/7 Formula]
    Work: Calculate the value of equation 1.2+5.8 .
    Question type: Mathematical calculation
    Solution:
          1.2+5.8
        =7
    Answer:1.2+5.8=7
[3/7 Formula]
    Work: Calculate the value of equation 36.2-1 .
    Question type: Mathematical calculation
    Solution:
          36.2-1
        =35.2
    Answer:36.2-1=35.2
[4/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 145-77
    Solution:
    145-77 = 68
    Column vertical calculation:

			1	1
			1	4	5
➖				7	7
			0	6	8

[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 88-16
    Solution:
    88-16 = 72
    Column vertical calculation:

			8	8
➖			1	6
			7	2

[6/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 89-65
    Solution:
    89-65 = 24
    Column vertical calculation:

			8	9
➖			6	5
			2	4

[7/7 Formula]
    Work: Calculate the value of equation 77.6-1.3 .
    Question type: Mathematical calculation
    Solution:
          77.6-1.3
        =76.3
    Answer:77.6-1.3=76.3

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>>注：本次最多计算 7 道题。

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