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

[1/7 Formula]
    Work: Calculate the value of equation 750÷(20-15) .
    Question type: Mathematical calculation
    Solution:
          750÷(20-15)
        =750÷5
        =150
    Answer:750÷(20-15)=150
[2/7 Formula]
    Work: Calculate the value of equation 800-(287+365) .
    Question type: Mathematical calculation
    Solution:
          800-(287+365)
        =800-652
        =148
    Answer:800-(287+365)=148
[3/7 Formula]
    Work: Calculate the value of equation 28÷(4×7) .
    Question type: Mathematical calculation
    Solution:
          28÷(4×7)
        =28÷28
        =1
    Answer:28÷(4×7)=1
[4/7 Formula]
    Work: Calculate the value of equation 46-(9+16) .
    Question type: Mathematical calculation
    Solution:
          46-(9+16)
        =46-25
        =21
    Answer:46-(9+16)=21
[5/7 Formula]
    Work: Calculate the value of equation 720÷45×(798-616) .
    Question type: Mathematical calculation
    Solution:
          720÷45×(798-616)
        =720÷45×182
        =16×182
        =2912
    Answer:720÷45×(798-616)=2912
[6/7 Formula]
    Work: Calculate the value of equation (10000-1000-100-10)÷10 .
    Question type: Mathematical calculation
    Solution:
          (10000-1000-100-10)÷10
        =8890÷10
        =889
    Answer:(10000-1000-100-10)÷10=889
[7/7 Formula]
    Work: Calculate the value of equation (15×40-364)÷4 .
    Question type: Mathematical calculation
    Solution:
          (15×40-364)÷4
        =236÷4
        =59
    Answer:(15×40-364)÷4=59

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>>注：本次最多计算 7 道题。

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