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

[1/7 Formula]
    Work: Calculate the value of equation 40×(5+140) .
    Question type: Mathematical calculation
    Solution:
          40×(5+140)
        =40×145
        =5800
    Answer:40×(5+140)=5800
[2/7 Formula]
    Work: Calculate the value of equation (160+80)×25 .
    Question type: Mathematical calculation
    Solution:
          (160+80)×25
        =240×25
        =6000
    Answer:(160+80)×25=6000
[3/7 Formula]
    Work: Calculate the value of equation (170+8)×25 .
    Question type: Mathematical calculation
    Solution:
          (170+8)×25
        =178×25
        =4450
    Answer:(170+8)×25=4450
[4/7 Formula]
    Work: Calculate the value of equation (20+18)×25 .
    Question type: Mathematical calculation
    Solution:
          (20+18)×25
        =38×25
        =950
    Answer:(20+18)×25=950
[5/7 Formula]
    Work: Calculate the value of equation 150×(2+170) .
    Question type: Mathematical calculation
    Solution:
          150×(2+170)
        =150×172
        =25800
    Answer:150×(2+170)=25800
[6/7 Formula]
    Work: Calculate the value of equation 15×(190+2) .
    Question type: Mathematical calculation
    Solution:
          15×(190+2)
        =15×192
        =2880
    Answer:15×(190+2)=2880
[7/7 Formula]
    Work: Calculate the value of equation 75×(2+130) .
    Question type: Mathematical calculation
    Solution:
          75×(2+130)
        =75×132
        =9900
    Answer:75×(2+130)=9900

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>>注：本次最多计算 7 道题。

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