Overview: 4 questions will be solved this time.Among them
           ☆4 arithmetic calculations

[1/4 Formula]
    Work: Calculate the value of equation (315×40-364)÷7 .
    Question type: Mathematical calculation
    Solution:
          (315×40-364)÷7
        =12236÷7
        =1748
    Answer:(315×40-364)÷7=1748
[2/4 Formula]
    Work: Calculate the value of equation 720÷(15-3×2) .
    Question type: Mathematical calculation
    Solution:
          720÷(15-3×2)
        =720÷9
        =80
    Answer:720÷(15-3×2)=80
[3/4 Formula]
    Work: Calculate the value of equation 5000÷((432-332)×2) .
    Question type: Mathematical calculation
    Solution:
          5000÷((432-332)×2)
        =5000÷(100×2)
        =5000÷200
        =25
    Answer:5000÷((432-332)×2)=25
[4/4 Formula]
    Work: Calculate the value of equation (624+12×18)÷28 .
    Question type: Mathematical calculation
    Solution:
          (624+12×18)÷28
        =840÷28
        =30
    Answer:(624+12×18)÷28=30

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