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

[1/7 Formula]
    Work: Calculate the value of equation 25×(112+20) .
    Question type: Mathematical calculation
    Solution:
          25×(112+20)
        =25×132
        =3300
    Answer:25×(112+20)=3300
[2/7 Formula]
    Work: Calculate the value of equation 75×(40+170) .
    Question type: Mathematical calculation
    Solution:
          75×(40+170)
        =75×210
        =15750
    Answer:75×(40+170)=15750
[3/7 Formula]
    Work: Calculate the value of equation 60×(15+50) .
    Question type: Mathematical calculation
    Solution:
          60×(15+50)
        =60×65
        =3900
    Answer:60×(15+50)=3900
[4/7 Formula]
    Work: Calculate the value of equation 12×(100+125) .
    Question type: Mathematical calculation
    Solution:
          12×(100+125)
        =12×225
        =2700
    Answer:12×(100+125)=2700
[5/7 Formula]
    Work: Calculate the value of equation 25×(1120+100) .
    Question type: Mathematical calculation
    Solution:
          25×(1120+100)
        =25×1220
        =30500
    Answer:25×(1120+100)=30500
[6/7 Formula]
    Work: Calculate the value of equation 15×(2+19) .
    Question type: Mathematical calculation
    Solution:
          15×(2+19)
        =15×21
        =315
    Answer:15×(2+19)=315
[7/7 Formula]
    Work: Calculate the value of equation 20×(20+185) .
    Question type: Mathematical calculation
    Solution:
          20×(20+185)
        =20×205
        =4100
    Answer:20×(20+185)=4100

---

>>注：本次最多计算 7 道题。

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