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

[1/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 106-29
    Solution:
    106-29 = 77
    Column vertical calculation:

			1	1
			1	0	6
➖				2	9
			0	7	7

[2/7 Formula]
    Work: Calculate the value of equation 4.8-2.5 .
    Question type: Mathematical calculation
    Solution:
          4.8-2.5
        =2.3
    Answer:4.8-2.5=2.3
[3/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 118-74
    Solution:
    118-74 = 44
    Column vertical calculation:

			1
			1	1	8
➖				7	4
			0	4	4

[4/7 Formula]
    Work: Calculate the value of equation 3.4+11.6 .
    Question type: Mathematical calculation
    Solution:
          3.4+11.6
        =15
    Answer:3.4+11.6=15
[5/7 Formula]
    Work: Calculate the value of equation 9.9+5.8 .
    Question type: Mathematical calculation
    Solution:
          9.9+5.8
        =15.7
    Answer:9.9+5.8=15.7
[6/7 Formula]
    Work: Calculate the value of equation 5.6-2.5 .
    Question type: Mathematical calculation
    Solution:
          5.6-2.5
        =3.1
    Answer:5.6-2.5=3.1
[7/7 Formula]
    Work: Calculate the value of equation 1.68+1.7 .
    Question type: Mathematical calculation
    Solution:
          1.68+1.7
        =3.38
    Answer:1.68+1.7=3.38

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>>注：本次最多计算 7 道题。

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