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

[1/7 Formula]
    Work: Calculate the value of equation 672-136-164 .
    Question type: Mathematical calculation
    Solution:
          672-136-164
        =536-164
        =372
    Answer:672-136-164=372
[2/7 Formula]
    Work: Calculate the value of equation 672-36-34 .
    Question type: Mathematical calculation
    Solution:
          672-36-34
        =636-34
        =602
    Answer:672-36-34=602
[3/7 Formula]
    Work: Calculate the value of equation 528-28-53-47 .
    Question type: Mathematical calculation
    Solution:
          528-28-53-47
        =500-53-47
        =447-47
        =400
    Answer:528-28-53-47=400
[4/7 Formula]
    Work: Calculate the value of equation 545-167-33-145 .
    Question type: Mathematical calculation
    Solution:
          545-167-33-145
        =378-33-145
        =345-145
        =200
    Answer:545-167-33-145=200
[5/7 Formula]
    Work: Calculate the value of equation 13+146+55+154+87 .
    Question type: Mathematical calculation
    Solution:
          13+146+55+154+87
        =159+55+154+87
        =214+154+87
        =368+87
        =455
    Answer:13+146+55+154+87=455
[6/7 Formula]
    Work: Calculate the value of equation 15+237+35+63+50 .
    Question type: Mathematical calculation
    Solution:
          15+237+35+63+50
        =252+35+63+50
        =287+63+50
        =350+50
        =400
    Answer:15+237+35+63+50=400
[7/7 Formula]
    Work: Calculate the value of equation 987-187-139-161 .
    Question type: Mathematical calculation
    Solution:
          987-187-139-161
        =800-139-161
        =661-161
        =500
    Answer:987-187-139-161=500

---

>>注：本次最多计算 7 道题。

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