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

[1/7 Formula]
    Work: Calculate the value of equation 4.3-1.9 .
    Question type: Mathematical calculation
    Solution:
          4.3-1.9
        =2.4
    Answer:4.3-1.9=2.4
[2/7 Formula]
    Work: Calculate the value of equation 58-6.2 .
    Question type: Mathematical calculation
    Solution:
          58-6.2
        =51.8
    Answer:58-6.2=51.8
[3/7 Formula]
    Work: Calculate the value of equation 4.3+6.4 .
    Question type: Mathematical calculation
    Solution:
          4.3+6.4
        =10.7
    Answer:4.3+6.4=10.7
[4/7 Formula]
    Work: Calculate the value of equation 6.9+15.2 .
    Question type: Mathematical calculation
    Solution:
          6.9+15.2
        =22.1
    Answer:6.9+15.2=22.1
[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 94-35
    Solution:
    94-35 = 59
    Column vertical calculation:

			1
			9	4
➖			3	5
			5	9

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 65+17
    Solution:
    65+17 = 82
    Column vertical calculation:

			6	5
➕			11	7
			8	2

[7/7 Formula]
    Work: Calculate the value of equation 1.5+13.6 .
    Question type: Mathematical calculation
    Solution:
          1.5+13.6
        =15.1
    Answer:1.5+13.6=15.1

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>>注：本次最多计算 7 道题。

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