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

[1/7 Formula]
    Work: Calculate the value of equation 20×51×5 .
    Question type: Mathematical calculation
    Solution:
          20×51×5
        =1020×5
        =5100
    Answer:20×51×5=5100
[2/7 Formula]
    Work: Calculate the value of equation 25×15×4×10 .
    Question type: Mathematical calculation
    Solution:
          25×15×4×10
        =375×4×10
        =1500×10
        =15000
    Answer:25×15×4×10=15000
[3/7 Formula]
    Work: Calculate the value of equation 20×99×1×5 .
    Question type: Mathematical calculation
    Solution:
          20×99×1×5
        =1980×1×5
        =1980×5
        =9900
    Answer:20×99×1×5=9900
[4/7 Formula]
    Work: Calculate the value of equation 57×40×25×2 .
    Question type: Mathematical calculation
    Solution:
          57×40×25×2
        =2280×25×2
        =57000×2
        =114000
    Answer:57×40×25×2=114000
[5/7 Formula]
    Work: Calculate the value of equation 25×45×8 .
    Question type: Mathematical calculation
    Solution:
          25×45×8
        =1125×8
        =9000
    Answer:25×45×8=9000
[6/7 Formula]
    Work: Calculate the value of equation 80×10×24 .
    Question type: Mathematical calculation
    Solution:
          80×10×24
        =800×24
        =19200
    Answer:80×10×24=19200
[7/7 Formula]
    Work: Calculate the value of equation 80×10×25 .
    Question type: Mathematical calculation
    Solution:
          80×10×25
        =800×25
        =20000
    Answer:80×10×25=20000

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>>注：本次最多计算 7 道题。

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