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

[1/7 Formula]
    Work: Calculate the value of equation 10.3×21 .
    Question type: Mathematical calculation
    Solution:
          10.3×21
        =216.3
    Answer:10.3×21=216.3
[2/7 Formula]
    Work: Calculate the value of equation 27.7×5 .
    Question type: Mathematical calculation
    Solution:
          27.7×5
        =138.5
    Answer:27.7×5=138.5
[3/7 Formula]
    Work: Calculate the value of equation 18.7×31 .
    Question type: Mathematical calculation
    Solution:
          18.7×31
        =579.7
    Answer:18.7×31=579.7
[4/7 Formula]
    Work: Calculate the value of equation 36.2×8 .
    Question type: Mathematical calculation
    Solution:
          36.2×8
        =289.6
    Answer:36.2×8=289.6
[5/7 Formula]
    Work: Calculate the value of equation 0.13×90 .
    Question type: Mathematical calculation
    Solution:
          0.13×90
        =11.7
    Answer:0.13×90=11.7
[6/7 Formula]
    Work: Calculate the value of equation 7.03×7 .
    Question type: Mathematical calculation
    Solution:
          7.03×7
        =49.21
    Answer:7.03×7=49.21
[7/7 Formula]
    Work: Calculate the value of equation 2.85×77 .
    Question type: Mathematical calculation
    Solution:
          2.85×77
        =219.45
    Answer:2.85×77=219.45

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>>注：本次最多计算 7 道题。

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