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

[1/7 Formula]
    Work: Calculate the value of equation 20×(54÷6) .
    Question type: Mathematical calculation
    Solution:
          20×(54÷6)
        =20×9
        =180
    Answer:20×(54÷6)=180
[2/7 Formula]
    Work: Calculate the value of equation 420÷(5×(43-39)) .
    Question type: Mathematical calculation
    Solution:
          420÷(5×(43-39))
        =420÷(5×4)
        =420÷20
        =21
    Answer:420÷(5×(43-39))=21
[3/7 Formula]
    Work: Calculate the value of equation 480÷(2×12) .
    Question type: Mathematical calculation
    Solution:
          480÷(2×12)
        =480÷24
        =20
    Answer:480÷(2×12)=20
[4/7 Formula]
    Work: Calculate the value of equation 45÷(3+6)+28 .
    Question type: Mathematical calculation
    Solution:
          45÷(3+6)+28
        =45÷9+28
        =5+28
        =33
    Answer:45÷(3+6)+28=33
[5/7 Formula]
    Work: Calculate the value of equation (27+33)÷5 .
    Question type: Mathematical calculation
    Solution:
          (27+33)÷5
        =60÷5
        =12
    Answer:(27+33)÷5=12
[6/7 Formula]
    Work: Calculate the value of equation 197-(243-184) .
    Question type: Mathematical calculation
    Solution:
          197-(243-184)
        =197-59
        =138
    Answer:197-(243-184)=138
[7/7 Formula]
    Work: Calculate the value of equation (340-100)÷(25+5) .
    Question type: Mathematical calculation
    Solution:
          (340-100)÷(25+5)
        =240÷(25+5)
        =240÷30
        =8
    Answer:(340-100)÷(25+5)=8

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>>注：本次最多计算 7 道题。

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