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

[1/7 Formula]
    Work: Calculate the value of equation (12-(33-35))÷2 .
    Question type: Mathematical calculation
    Solution:
          (12-(33-35))÷2
        =(12-(-2))÷2
        =14÷2
        =7
    Answer:(12-(33-35))÷2=7
[2/7 Formula]
    Work: Calculate the value of equation 89×(34-(716-690)) .
    Question type: Mathematical calculation
    Solution:
          89×(34-(716-690))
        =89×(34-26)
        =89×8
        =712
    Answer:89×(34-(716-690))=712
[3/7 Formula]
    Work: Calculate the value of equation (220+80)÷(3×2) .
    Question type: Mathematical calculation
    Solution:
          (220+80)÷(3×2)
        =300÷(3×2)
        =300÷6
        =50
    Answer:(220+80)÷(3×2)=50
[4/7 Formula]
    Work: Calculate the value of equation 26×(500-100÷5) .
    Question type: Mathematical calculation
    Solution:
          26×(500-100÷5)
        =26×480
        =12480
    Answer:26×(500-100÷5)=12480
[5/7 Formula]
    Work: Calculate the value of equation 987+(287+135) .
    Question type: Mathematical calculation
    Solution:
          987+(287+135)
        =987+422
        =1409
    Answer:987+(287+135)=1409
[6/7 Formula]
    Work: Calculate the value of equation 568+(68+178) .
    Question type: Mathematical calculation
    Solution:
          568+(68+178)
        =568+246
        =814
    Answer:568+(68+178)=814
[7/7 Formula]
    Work: Calculate the value of equation 100÷(2+2)×2 .
    Question type: Mathematical calculation
    Solution:
          100÷(2+2)×2
        =100÷4×2
        =25×2
        =50
    Answer:100÷(2+2)×2=50

---

>>注：本次最多计算 7 道题。

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