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

[1/7 Formula]
    Work: Calculate the value of equation 10×21×100 .
    Question type: Mathematical calculation
    Solution:
          10×21×100
        =210×100
        =21000
    Answer:10×21×100=21000
[2/7 Formula]
    Work: Calculate the value of equation 100×96×100 .
    Question type: Mathematical calculation
    Solution:
          100×96×100
        =9600×100
        =960000
    Answer:100×96×100=960000
[3/7 Formula]
    Work: Calculate the value of equation 25×97×40 .
    Question type: Mathematical calculation
    Solution:
          25×97×40
        =2425×40
        =97000
    Answer:25×97×40=97000
[4/7 Formula]
    Work: Calculate the value of equation 100×4×10 .
    Question type: Mathematical calculation
    Solution:
          100×4×10
        =400×10
        =4000
    Answer:100×4×10=4000
[5/7 Formula]
    Work: Calculate the value of equation 25×49×4 .
    Question type: Mathematical calculation
    Solution:
          25×49×4
        =1225×4
        =4900
    Answer:25×49×4=4900
[6/7 Formula]
    Work: Calculate the value of equation 7×10×20 .
    Question type: Mathematical calculation
    Solution:
          7×10×20
        =70×20
        =1400
    Answer:7×10×20=1400
[7/7 Formula]
    Work: Calculate the value of equation 4×13×25 .
    Question type: Mathematical calculation
    Solution:
          4×13×25
        =52×25
        =1300
    Answer:4×13×25=1300

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>>注：本次最多计算 7 道题。

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