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

[1/7 Formula]
    Work: Calculate the value of equation 6.7+9.6 .
    Question type: Mathematical calculation
    Solution:
          6.7+9.6
        =16.3
    Answer:6.7+9.6=16.3
[2/7 Formula]
    Work: Calculate the value of equation 16.8+9 .
    Question type: Mathematical calculation
    Solution:
          16.8+9
        =25.8
    Answer:16.8+9=25.8
[3/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 38+29
    Solution:
    38+29 = 67
    Column vertical calculation:

			3	8
➕			21	9
			6	7

[4/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 28+47
    Solution:
    28+47 = 75
    Column vertical calculation:

			2	8
➕			41	7
			7	5

[5/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 55+62
    Solution:
    55+62 = 117
    Column vertical calculation:

			5	5
➕		1	6	2
		1	1	7

[6/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 42+15
    Solution:
    42+15 = 57
    Column vertical calculation:

			4	2
➕			1	5
			5	7

[7/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 19+58
    Solution:
    19+58 = 77
    Column vertical calculation:

			1	9
➕			51	8
			7	7

---

>>注：本次最多计算 7 道题。

Your problem has not been solved here? Please go to the Hot Problems section！