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

[1/7 Formula]
    Work: Calculate the value of equation 37×(100-20) .
    Question type: Mathematical calculation
    Solution:
          37×(100-20)
        =37×80
        =2960
    Answer:37×(100-20)=2960
[2/7 Formula]
    Work: Calculate the value of equation 68×(100-3) .
    Question type: Mathematical calculation
    Solution:
          68×(100-3)
        =68×97
        =6596
    Answer:68×(100-3)=6596
[3/7 Formula]
    Work: Calculate the value of equation 25×(1000-4) .
    Question type: Mathematical calculation
    Solution:
          25×(1000-4)
        =25×996
        =24900
    Answer:25×(1000-4)=24900
[4/7 Formula]
    Work: Calculate the value of equation 69×101-69 .
    Question type: Mathematical calculation
    Solution:
          69×101-69
        =6969-69
        =6900
    Answer:69×101-69=6900
[5/7 Formula]
    Work: Calculate the value of equation 125×(80+8) .
    Question type: Mathematical calculation
    Solution:
          125×(80+8)
        =125×88
        =11000
    Answer:125×(80+8)=11000
[6/7 Formula]
    Work: Calculate the value of equation 75×14-70×14 .
    Question type: Mathematical calculation
    Solution:
          75×14-70×14
        =1050-70×14
        =1050-980
        =70
    Answer:75×14-70×14=70
[7/7 Formula]
    Work: Calculate the value of equation 23×7+77×7 .
    Question type: Mathematical calculation
    Solution:
          23×7+77×7
        =161+77×7
        =161+539
        =700
    Answer:23×7+77×7=700

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>>注：本次最多计算 7 道题。

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