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

[1/7 Formula]
    Work: Calculate the value of equation (20+90)×45 .
    Question type: Mathematical calculation
    Solution:
          (20+90)×45
        =110×45
        =4950
    Answer:(20+90)×45=4950
[2/7 Formula]
    Work: Calculate the value of equation 45×(2+9) .
    Question type: Mathematical calculation
    Solution:
          45×(2+9)
        =45×11
        =495
    Answer:45×(2+9)=495
[3/7 Formula]
    Work: Calculate the value of equation 45×(2+100) .
    Question type: Mathematical calculation
    Solution:
          45×(2+100)
        =45×102
        =4590
    Answer:45×(2+100)=4590
[4/7 Formula]
    Work: Calculate the value of equation 4×(225+80) .
    Question type: Mathematical calculation
    Solution:
          4×(225+80)
        =4×305
        =1220
    Answer:4×(225+80)=1220
[5/7 Formula]
    Work: Calculate the value of equation 40×(225+8) .
    Question type: Mathematical calculation
    Solution:
          40×(225+8)
        =40×233
        =9320
    Answer:40×(225+8)=9320
[6/7 Formula]
    Work: Calculate the value of equation (225+9)×40 .
    Question type: Mathematical calculation
    Solution:
          (225+9)×40
        =234×40
        =9360
    Answer:(225+9)×40=9360
[7/7 Formula]
    Work: Calculate the value of equation (225+70)×4 .
    Question type: Mathematical calculation
    Solution:
          (225+70)×4
        =295×4
        =1180
    Answer:(225+70)×4=1180

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>>注：本次最多计算 7 道题。

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