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

[1/7 Formula]
    Work: Calculate the value of equation 5.25×0.05 .
    Question type: Mathematical calculation
    Solution:
          5.25×0.05
        =0.2625
    Answer:5.25×0.05=0.2625
[2/7 Formula]
    Work: Calculate the value of equation 0.25×0.046 .
    Question type: Mathematical calculation
    Solution:
          0.25×0.046
        =0.0115
    Answer:0.25×0.046=0.0115
[3/7 Formula]
    Work: Calculate the value of equation 7.15×0.22 .
    Question type: Mathematical calculation
    Solution:
          7.15×0.22
        =1.573
    Answer:7.15×0.22=1.573
[4/7 Formula]
    Work: Calculate the value of equation 5.04×4.2 .
    Question type: Mathematical calculation
    Solution:
          5.04×4.2
        =21.168
    Answer:5.04×4.2=21.168
[5/7 Formula]
    Work: Calculate the value of equation 2.52×3.4 .
    Question type: Mathematical calculation
    Solution:
          2.52×3.4
        =8.568
    Answer:2.52×3.4=8.568
[6/7 Formula]
    Work: Calculate the value of equation 6.4×0.5 .
    Question type: Mathematical calculation
    Solution:
          6.4×0.5
        =3.2
    Answer:6.4×0.5=3.2
[7/7 Formula]
    Work: Calculate the value of equation 0.042×0.5 .
    Question type: Mathematical calculation
    Solution:
          0.042×0.5
        =0.021
    Answer:0.042×0.5=0.021

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>>注：本次最多计算 7 道题。

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