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

[1/7 Formula]
    Work: Calculate the value of equation (42+38)÷(473-457) .
    Question type: Mathematical calculation
    Solution:
          (42+38)÷(473-457)
        =80÷(473-457)
        =80÷16
        =5
    Answer:(42+38)÷(473-457)=5
[2/7 Formula]
    Work: Calculate the value of equation 50-(45+35)÷10 .
    Question type: Mathematical calculation
    Solution:
          50-(45+35)÷10
        =50-80÷10
        =50-8
        =42
    Answer:50-(45+35)÷10=42
[3/7 Formula]
    Work: Calculate the value of equation ((125-25)×5+35)×60 .
    Question type: Mathematical calculation
    Solution:
          ((125-25)×5+35)×60
        =(100×5+35)×60
        =535×60
        =32100
    Answer:((125-25)×5+35)×60=32100
[4/7 Formula]
    Work: Calculate the value of equation (150-3÷(30-27))×10 .
    Question type: Mathematical calculation
    Solution:
          (150-3÷(30-27))×10
        =(150-3÷3)×10
        =149×10
        =1490
    Answer:(150-3÷(30-27))×10=1490
[5/7 Formula]
    Work: Calculate the value of equation (300+25)-16×20 .
    Question type: Mathematical calculation
    Solution:
          (300+25)-16×20
        =325-16×20
        =325-320
        =5
    Answer:(300+25)-16×20=5
[6/7 Formula]
    Work: Calculate the value of equation 15×(12+(36-18)) .
    Question type: Mathematical calculation
    Solution:
          15×(12+(36-18))
        =15×(12+18)
        =15×30
        =450
    Answer:15×(12+(36-18))=450
[7/7 Formula]
    Work: Calculate the value of equation 1200÷(24-(16+7)) .
    Question type: Mathematical calculation
    Solution:
          1200÷(24-(16+7))
        =1200÷(24-23)
        =1200÷1
        =1200
    Answer:1200÷(24-(16+7))=1200

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>>注：本次最多计算 7 道题。

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