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

[1/7 Formula]
    Work: Calculate the value of equation 928-53-47 .
    Question type: Mathematical calculation
    Solution:
          928-53-47
        =875-47
        =828
    Answer:928-53-47=828
[2/7 Formula]
    Work: Calculate the value of equation 945-167-145 .
    Question type: Mathematical calculation
    Solution:
          945-167-145
        =778-145
        =633
    Answer:945-167-145=633
[3/7 Formula]
    Work: Calculate the value of equation 887-187-139-61 .
    Question type: Mathematical calculation
    Solution:
          887-187-139-61
        =700-139-61
        =561-61
        =500
    Answer:887-187-139-61=500
[4/7 Formula]
    Work: Calculate the value of equation 569-25-25-50 .
    Question type: Mathematical calculation
    Solution:
          569-25-25-50
        =544-25-50
        =519-50
        =469
    Answer:569-25-25-50=469
[5/7 Formula]
    Work: Calculate the value of equation 1045-180-245 .
    Question type: Mathematical calculation
    Solution:
          1045-180-245
        =865-245
        =620
    Answer:1045-180-245=620
[6/7 Formula]
    Work: Calculate the value of equation 555-(230-45) .
    Question type: Mathematical calculation
    Solution:
          555-(230-45)
        =555-185
        =370
    Answer:555-(230-45)=370
[7/7 Formula]
    Work: Calculate the value of equation 672-(36-28) .
    Question type: Mathematical calculation
    Solution:
          672-(36-28)
        =672-8
        =664
    Answer:672-(36-28)=664

---

>>注：本次最多计算 7 道题。

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