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

[1/7 Formula]
    Work: Calculate the value of equation 10.9-3.3 .
    Question type: Mathematical calculation
    Solution:
          10.9-3.3
        =7.6
    Answer:10.9-3.3=7.6
[2/7 Formula]
    Work: Calculate the value of equation 9.7-2.2 .
    Question type: Mathematical calculation
    Solution:
          9.7-2.2
        =7.5
    Answer:9.7-2.2=7.5
[3/7 Formula]
    Work: Calculate the value of equation 8.9+3.2 .
    Question type: Mathematical calculation
    Solution:
          8.9+3.2
        =12.1
    Answer:8.9+3.2=12.1
[4/7 Formula]
    Work: Calculate the value of equation 0.6+6.5 .
    Question type: Mathematical calculation
    Solution:
          0.6+6.5
        =7.1
    Answer:0.6+6.5=7.1
[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 76-6
    Solution:
    76-6 = 70
    Column vertical calculation:

			7	6
➖				6
			7	0

[6/7 Formula]
    Work: Calculate the value of equation 1.9+3.2 .
    Question type: Mathematical calculation
    Solution:
          1.9+3.2
        =5.1
    Answer:1.9+3.2=5.1
[7/7 Formula]
    Work: Calculate the value of equation 0.9+1.8 .
    Question type: Mathematical calculation
    Solution:
          0.9+1.8
        =2.7
    Answer:0.9+1.8=2.7

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>>注：本次最多计算 7 道题。

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