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

[1/7 Formula]
    Work: Calculate the value of equation 18.6-3.9 .
    Question type: Mathematical calculation
    Solution:
          18.6-3.9
        =14.7
    Answer:18.6-3.9=14.7
[2/7 Formula]
    Work: Calculate the value of equation 15.5-4.7 .
    Question type: Mathematical calculation
    Solution:
          15.5-4.7
        =10.8
    Answer:15.5-4.7=10.8
[3/7 Formula]
    Work: Calculate the value of equation 18.4-2.8 .
    Question type: Mathematical calculation
    Solution:
          18.4-2.8
        =15.6
    Answer:18.4-2.8=15.6
[4/7 Formula]
    Work: Calculate the value of equation 19.4-8.7 .
    Question type: Mathematical calculation
    Solution:
          19.4-8.7
        =10.7
    Answer:19.4-8.7=10.7
[5/7 Formula]
    Work: Calculate the value of equation 22.8+4.7 .
    Question type: Mathematical calculation
    Solution:
          22.8+4.7
        =27.5
    Answer:22.8+4.7=27.5
[6/7 Formula]
    Work: Calculate the value of equation 19.4-5.5 .
    Question type: Mathematical calculation
    Solution:
          19.4-5.5
        =13.9
    Answer:19.4-5.5=13.9
[7/7 Formula]
    Work: Calculate the value of equation 13.6+3.7 .
    Question type: Mathematical calculation
    Solution:
          13.6+3.7
        =17.3
    Answer:13.6+3.7=17.3

---

>>注：本次最多计算 7 道题。

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