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

[1/7 Formula]
    Work: Calculate the value of equation (77+154)÷7 .
    Question type: Mathematical calculation
    Solution:
          (77+154)÷7
        =231÷7
        =33
    Answer:(77+154)÷7=33
[2/7 Formula]
    Work: Calculate the value of equation 630÷9÷7 .
    Question type: Mathematical calculation
    Solution:
          630÷9÷7
        =70÷7
        =10
    Answer:630÷9÷7=10
[3/7 Formula]
    Work: Calculate the value of equation 69+48+31 .
    Question type: Mathematical calculation
    Solution:
          69+48+31
        =117+31
        =148
    Answer:69+48+31=148
[4/7 Formula]
    Work: Calculate the value of equation 95÷(19×5) .
    Question type: Mathematical calculation
    Solution:
          95÷(19×5)
        =95÷95
        =1
    Answer:95÷(19×5)=1
[5/7 Formula]
    Work: Calculate the value of equation 1589+(675-589) .
    Question type: Mathematical calculation
    Solution:
          1589+(675-589)
        =1589+86
        =1675
    Answer:1589+(675-589)=1675
[6/7 Formula]
    Work: Calculate the value of equation 128÷(4×16) .
    Question type: Mathematical calculation
    Solution:
          128÷(4×16)
        =128÷64
        =2
    Answer:128÷(4×16)=2
[7/7 Formula]
    Work: Calculate the value of equation 785+234-85+466 .
    Question type: Mathematical calculation
    Solution:
          785+234-85+466
        =1019-85+466
        =934+466
        =1400
    Answer:785+234-85+466=1400

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>>注：本次最多计算 7 道题。

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