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

[1/7 Formula]
    Work: Calculate the value of equation 12×55×75 .
    Question type: Mathematical calculation
    Solution:
          12×55×75
        =660×75
        =49500
    Answer:12×55×75=49500
[2/7 Formula]
    Work: Calculate the value of equation 2×12×25×150 .
    Question type: Mathematical calculation
    Solution:
          2×12×25×150
        =24×25×150
        =600×150
        =90000
    Answer:2×12×25×150=90000
[3/7 Formula]
    Work: Calculate the value of equation 4×39×75 .
    Question type: Mathematical calculation
    Solution:
          4×39×75
        =156×75
        =11700
    Answer:4×39×75=11700
[4/7 Formula]
    Work: Calculate the value of equation 20×40×75 .
    Question type: Mathematical calculation
    Solution:
          20×40×75
        =800×75
        =60000
    Answer:20×40×75=60000
[5/7 Formula]
    Work: Calculate the value of equation 25×45×200×400 .
    Question type: Mathematical calculation
    Solution:
          25×45×200×400
        =1125×200×400
        =225000×400
        =90000000
    Answer:25×45×200×400=90000000
[6/7 Formula]
    Work: Calculate the value of equation 20×45×100 .
    Question type: Mathematical calculation
    Solution:
          20×45×100
        =900×100
        =90000
    Answer:20×45×100=90000
[7/7 Formula]
    Work: Calculate the value of equation 50×79×18 .
    Question type: Mathematical calculation
    Solution:
          50×79×18
        =3950×18
        =71100
    Answer:50×79×18=71100

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>>注：本次最多计算 7 道题。

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