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

[1/7 Formula]
    Work: Calculate the value of equation 0.125×72 .
    Question type: Mathematical calculation
    Solution:
          0.125×72
        =9
    Answer:0.125×72=9
[2/7 Formula]
    Work: Calculate the value of equation 12.5×5.6 .
    Question type: Mathematical calculation
    Solution:
          12.5×5.6
        =70
    Answer:12.5×5.6=70
[3/7 Formula]
    Work: Calculate the value of equation (20-4)×0.25 .
    Question type: Mathematical calculation
    Solution:
          (20-4)×0.25
        =16×0.25
        =4
    Answer:(20-4)×0.25=4
[4/7 Formula]
    Work: Calculate the value of equation 45×21-50×2.1 .
    Question type: Mathematical calculation
    Solution:
          45×21-50×2.1
        =945-50×2.1
        =945-105
        =840
    Answer:45×21-50×2.1=840
[5/7 Formula]
    Work: Calculate the value of equation 3.7×5×0.04 .
    Question type: Mathematical calculation
    Solution:
          3.7×5×0.04
        =18.5×0.04
        =0.74
    Answer:3.7×5×0.04=0.74
[6/7 Formula]
    Work: Calculate the value of equation 45×1.5+5.5×15 .
    Question type: Mathematical calculation
    Solution:
          45×1.5+5.5×15
        =67.5+5.5×15
        =67.5+82.5
        =150
    Answer:45×1.5+5.5×15=150
[7/7 Formula]
    Work: Calculate the value of equation 9.9×2.2+22×0.01 .
    Question type: Mathematical calculation
    Solution:
          9.9×2.2+22×0.01
        =21.78+22×0.01
        =21.78+0.22
        =22
    Answer:9.9×2.2+22×0.01=22

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>>注：本次最多计算 7 道题。

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