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

[1/7 Formula]
    Work: Calculate the value of equation 25×25×40 .
    Question type: Mathematical calculation
    Solution:
          25×25×40
        =625×40
        =25000
    Answer:25×25×40=25000
[2/7 Formula]
    Work: Calculate the value of equation 29×25×40×8 .
    Question type: Mathematical calculation
    Solution:
          29×25×40×8
        =725×40×8
        =29000×8
        =232000
    Answer:29×25×40×8=232000
[3/7 Formula]
    Work: Calculate the value of equation 70×12×25 .
    Question type: Mathematical calculation
    Solution:
          70×12×25
        =840×25
        =21000
    Answer:70×12×25=21000
[4/7 Formula]
    Work: Calculate the value of equation 10×25×10×28 .
    Question type: Mathematical calculation
    Solution:
          10×25×10×28
        =250×10×28
        =2500×28
        =70000
    Answer:10×25×10×28=70000
[5/7 Formula]
    Work: Calculate the value of equation 74×25×28 .
    Question type: Mathematical calculation
    Solution:
          74×25×28
        =1850×28
        =51800
    Answer:74×25×28=51800
[6/7 Formula]
    Work: Calculate the value of equation 28×8×5×25 .
    Question type: Mathematical calculation
    Solution:
          28×8×5×25
        =224×5×25
        =1120×25
        =28000
    Answer:28×8×5×25=28000
[7/7 Formula]
    Work: Calculate the value of equation 10×34×25×4 .
    Question type: Mathematical calculation
    Solution:
          10×34×25×4
        =340×25×4
        =8500×4
        =34000
    Answer:10×34×25×4=34000

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>>注：本次最多计算 7 道题。

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