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 subtraction
    Original question: 43-19
    Solution:
    43-19 = 24
    Column vertical calculation:

			1
			4	3
➖			1	9
			2	4

[2/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 53-6
    Solution:
    53-6 = 47
    Column vertical calculation:

			1
			5	3
➖				6
			4	7

[3/7 Formula]
    Work: Calculate the value of equation 0.3+6.7 .
    Question type: Mathematical calculation
    Solution:
          0.3+6.7
        =7
    Answer:0.3+6.7=7
[4/7 Formula]
    Work: Calculate the value of equation 6.6+15.2 .
    Question type: Mathematical calculation
    Solution:
          6.6+15.2
        =21.8
    Answer:6.6+15.2=21.8
[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 94-65
    Solution:
    94-65 = 29
    Column vertical calculation:

			1
			9	4
➖			6	5
			2	9

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 55+17
    Solution:
    55+17 = 72
    Column vertical calculation:

			5	5
➕			11	7
			7	2

[7/7 Formula]
    Work: Calculate the value of equation 1.5+12.6 .
    Question type: Mathematical calculation
    Solution:
          1.5+12.6
        =14.1
    Answer:1.5+12.6=14.1

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>>注：本次最多计算 7 道题。

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