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

[1/7 Formula]
    Work: Calculate the value of equation (20+65)×150 .
    Question type: Mathematical calculation
    Solution:
          (20+65)×150
        =85×150
        =12750
    Answer:(20+65)×150=12750
[2/7 Formula]
    Work: Calculate the value of equation 200×(15+29) .
    Question type: Mathematical calculation
    Solution:
          200×(15+29)
        =200×44
        =8800
    Answer:200×(15+29)=8800
[3/7 Formula]
    Work: Calculate the value of equation (20+40)×125 .
    Question type: Mathematical calculation
    Solution:
          (20+40)×125
        =60×125
        =7500
    Answer:(20+40)×125=7500
[4/7 Formula]
    Work: Calculate the value of equation (120+45)×500 .
    Question type: Mathematical calculation
    Solution:
          (120+45)×500
        =165×500
        =82500
    Answer:(120+45)×500=82500
[5/7 Formula]
    Work: Calculate the value of equation (4+500)×125 .
    Question type: Mathematical calculation
    Solution:
          (4+500)×125
        =504×125
        =63000
    Answer:(4+500)×125=63000
[6/7 Formula]
    Work: Calculate the value of equation 140×(25+620) .
    Question type: Mathematical calculation
    Solution:
          140×(25+620)
        =140×645
        =90300
    Answer:140×(25+620)=90300
[7/7 Formula]
    Work: Calculate the value of equation 1400×(78+25) .
    Question type: Mathematical calculation
    Solution:
          1400×(78+25)
        =1400×103
        =144200
    Answer:1400×(78+25)=144200

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>>注：本次最多计算 7 道题。

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