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

[1/5 Integer column vertical calculation]
    Question type: Integer division
    Original question: 22/25
    Solution:
    22/25 = 0 ··· ··· 22
    Column vertical calculation:

				0
2	5	丿	2	2
				0
			2	2

[2/5 Formula]
    Work: Calculate the value of equation 3.68/16 .
    Question type: Mathematical calculation
    Solution:
          3.68/16
        =0.23
    Answer:3.68/16=0.23
[3/5 Formula]
    Work: Calculate the value of equation 33.8/13 .
    Question type: Mathematical calculation
    Solution:
          33.8/13
        =2.6
    Answer:33.8/13=2.6
[4/5 Formula]
    Work: Calculate the value of equation 1.2/30 .
    Question type: Mathematical calculation
    Solution:
          1.2/30
        =0.04
    Answer:1.2/30=0.04
[5/5 Formula]
    Work: Calculate the value of equation 5.6/28 .
    Question type: Mathematical calculation
    Solution:
          5.6/28
        =0.2
    Answer:5.6/28=0.2

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