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

[1/7 Formula]
    Work: Calculate the value of equation 7.3+14 .
    Question type: Mathematical calculation
    Solution:
          7.3+14
        =21.3
    Answer:7.3+14=21.3
[2/7 Formula]
    Work: Calculate the value of equation 18.3+5 .
    Question type: Mathematical calculation
    Solution:
          18.3+5
        =23.3
    Answer:18.3+5=23.3
[3/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 106-78
    Solution:
    106-78 = 28
    Column vertical calculation:

			1	1
			1	0	6
➖				7	8
			0	2	8

[4/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 59-27
    Solution:
    59-27 = 32
    Column vertical calculation:

			5	9
➖			2	7
			3	2

[5/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 47-12
    Solution:
    47-12 = 35
    Column vertical calculation:

			4	7
➖			1	2
			3	5

[6/7 Integer column vertical calculation]
    Question type: Integer subtraction
    Original question: 98-12
    Solution:
    98-12 = 86
    Column vertical calculation:

			9	8
➖			1	2
			8	6

[7/7 Formula]
    Work: Calculate the value of equation 6.6-1.7 .
    Question type: Mathematical calculation
    Solution:
          6.6-1.7
        =4.9
    Answer:6.6-1.7=4.9

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>>注：本次最多计算 7 道题。

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