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

[1/7 Formula]
    Work: Calculate the value of equation 3.78+12.07-8.45 .
    Question type: Mathematical calculation
    Solution:
          3.78+12.07-8.45
        =15.85-8.45
        =7.4
    Answer:3.78+12.07-8.45=7.4
[2/7 Formula]
    Work: Calculate the value of equation 1.786+23.567-7.8 .
    Question type: Mathematical calculation
    Solution:
          1.786+23.567-7.8
        =25.353-7.8
        =17.553
    Answer:1.786+23.567-7.8=17.553
[3/7 Formula]
    Work: Calculate the value of equation 13.56+2.76-0.31 .
    Question type: Mathematical calculation
    Solution:
          13.56+2.76-0.31
        =16.32-0.31
        =16.01
    Answer:13.56+2.76-0.31=16.01
[4/7 Formula]
    Work: Calculate the value of equation 13.89+1.79-3.79 .
    Question type: Mathematical calculation
    Solution:
          13.89+1.79-3.79
        =15.68-3.79
        =11.89
    Answer:13.89+1.79-3.79=11.89
[5/7 Formula]
    Work: Calculate the value of equation 245.1+6.4-13.48 .
    Question type: Mathematical calculation
    Solution:
          245.1+6.4-13.48
        =251.5-13.48
        =238.02
    Answer:245.1+6.4-13.48=238.02
[6/7 Formula]
    Work: Calculate the value of equation 67.8+1.3-0.5 .
    Question type: Mathematical calculation
    Solution:
          67.8+1.3-0.5
        =69.1-0.5
        =68.6
    Answer:67.8+1.3-0.5=68.6
[7/7 Formula]
    Work: Calculate the value of equation 15.57+2.79-4.8 .
    Question type: Mathematical calculation
    Solution:
          15.57+2.79-4.8
        =18.36-4.8
        =13.56
    Answer:15.57+2.79-4.8=13.56

---

>>注：本次最多计算 7 道题。

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