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 8.9-6.2 .
    Question type: Mathematical calculation
    Solution:
          8.9-6.2
        =2.7
    Answer:8.9-6.2=2.7
[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 63+19
    Solution:
    63+19 = 82
    Column vertical calculation:

			6	3
➕			11	9
			8	2

[3/7 Formula]
    Work: Calculate the value of equation 9.4-2.5 .
    Question type: Mathematical calculation
    Solution:
          9.4-2.5
        =6.9
    Answer:9.4-2.5=6.9
[4/7 Formula]
    Work: Calculate the value of equation 4.9+6.5 .
    Question type: Mathematical calculation
    Solution:
          4.9+6.5
        =11.4
    Answer:4.9+6.5=11.4
[5/7 Formula]
    Work: Calculate the value of equation 6.9-1.7 .
    Question type: Mathematical calculation
    Solution:
          6.9-1.7
        =5.2
    Answer:6.9-1.7=5.2
[6/7 Formula]
    Work: Calculate the value of equation 5.9+4.2 .
    Question type: Mathematical calculation
    Solution:
          5.9+4.2
        =10.1
    Answer:5.9+4.2=10.1
[7/7 Formula]
    Work: Calculate the value of equation 0.9+6 .
    Question type: Mathematical calculation
    Solution:
          0.9+6
        =6.9
    Answer:0.9+6=6.9

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>>注：本次最多计算 7 道题。

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