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

[1/7 Formula]
    Work: Calculate the value of equation 20×(100+75) .
    Question type: Mathematical calculation
    Solution:
          20×(100+75)
        =20×175
        =3500
    Answer:20×(100+75)=3500
[2/7 Formula]
    Work: Calculate the value of equation (35+100)×2 .
    Question type: Mathematical calculation
    Solution:
          (35+100)×2
        =135×2
        =270
    Answer:(35+100)×2=270
[3/7 Formula]
    Work: Calculate the value of equation (35+80)×2 .
    Question type: Mathematical calculation
    Solution:
          (35+80)×2
        =115×2
        =230
    Answer:(35+80)×2=230
[4/7 Formula]
    Work: Calculate the value of equation (2+30)×75 .
    Question type: Mathematical calculation
    Solution:
          (2+30)×75
        =32×75
        =2400
    Answer:(2+30)×75=2400
[5/7 Formula]
    Work: Calculate the value of equation (20+95)×35 .
    Question type: Mathematical calculation
    Solution:
          (20+95)×35
        =115×35
        =4025
    Answer:(20+95)×35=4025
[6/7 Formula]
    Work: Calculate the value of equation 40×(2+10) .
    Question type: Mathematical calculation
    Solution:
          40×(2+10)
        =40×12
        =480
    Answer:40×(2+10)=480
[7/7 Formula]
    Work: Calculate the value of equation 4×(200+20) .
    Question type: Mathematical calculation
    Solution:
          4×(200+20)
        =4×220
        =880
    Answer:4×(200+20)=880

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>>注：本次最多计算 7 道题。

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