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 9.4-6.3 .
    Question type: Mathematical calculation
    Solution:
          9.4-6.3
        =3.1
    Answer:9.4-6.3=3.1
[2/7 Integer column vertical calculation]
    Question type: Integer addition
    Original question: 63+9
    Solution:
    63+9 = 72
    Column vertical calculation:

			6	3
➕			1	9
			7	2

[3/7 Formula]
    Work: Calculate the value of equation 19.7-4.5 .
    Question type: Mathematical calculation
    Solution:
          19.7-4.5
        =15.2
    Answer:19.7-4.5=15.2
[4/7 Formula]
    Work: Calculate the value of equation 24.4+4.5 .
    Question type: Mathematical calculation
    Solution:
          24.4+4.5
        =28.9
    Answer:24.4+4.5=28.9
[5/7 Formula]
    Work: Calculate the value of equation 6.2-3.5 .
    Question type: Mathematical calculation
    Solution:
          6.2-3.5
        =2.7
    Answer:6.2-3.5=2.7
[6/7 Formula]
    Work: Calculate the value of equation 5.4+4.9 .
    Question type: Mathematical calculation
    Solution:
          5.4+4.9
        =10.3
    Answer:5.4+4.9=10.3
[7/7 Formula]
    Work: Calculate the value of equation 0.8+9 .
    Question type: Mathematical calculation
    Solution:
          0.8+9
        =9.8
    Answer:0.8+9=9.8

---

>>注：本次最多计算 7 道题。

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