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 9.7-2.7 .
    Question type: Mathematical calculation
    Solution:
          9.7-2.7
        =7
    Answer:9.7-2.7=7
[2/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 68-27
    Solution:
    68-27 = 41
    Column vertical calculation:

			6	8
➖			2	7
			4	1

[3/7 Formula]
    Work: Calculate the value of equation 2.4+52 .
    Question type: Mathematical calculation
    Solution:
          2.4+52
        =54.4
    Answer:2.4+52=54.4
[4/7 Formula]
    Work: Calculate the value of equation 7.6+26 .
    Question type: Mathematical calculation
    Solution:
          7.6+26
        =33.6
    Answer:7.6+26=33.6
[5/7 Formula]
    Work: Calculate the value of equation 9.7+0.5 .
    Question type: Mathematical calculation
    Solution:
          9.7+0.5
        =10.2
    Answer:9.7+0.5=10.2
[6/7 Formula]
    Work: Calculate the value of equation 9.2-3.2 .
    Question type: Mathematical calculation
    Solution:
          9.2-3.2
        =6
    Answer:9.2-3.2=6
[7/7 Formula]
    Work: Calculate the value of equation 2.9+7.7 .
    Question type: Mathematical calculation
    Solution:
          2.9+7.7
        =10.6
    Answer:2.9+7.7=10.6

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>>注：本次最多计算 7 道题。

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