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

[1/7 Formula]
    Work: Calculate the value of equation 12.5-4.7 .
    Question type: Mathematical calculation
    Solution:
          12.5-4.7
        =7.8
    Answer:12.5-4.7=7.8
[2/7 Formula]
    Work: Calculate the value of equation 9.7+2.9 .
    Question type: Mathematical calculation
    Solution:
          9.7+2.9
        =12.6
    Answer:9.7+2.9=12.6
[3/7 Formula]
    Work: Calculate the value of equation 10.3-3.8 .
    Question type: Mathematical calculation
    Solution:
          10.3-3.8
        =6.5
    Answer:10.3-3.8=6.5
[4/7 Formula]
    Work: Calculate the value of equation 10.6+8.8 .
    Question type: Mathematical calculation
    Solution:
          10.6+8.8
        =19.4
    Answer:10.6+8.8=19.4
[5/7 Formula]
    Work: Calculate the value of equation 13.3-4.7 .
    Question type: Mathematical calculation
    Solution:
          13.3-4.7
        =8.6
    Answer:13.3-4.7=8.6
[6/7 Formula]
    Work: Calculate the value of equation 7.6+4.8 .
    Question type: Mathematical calculation
    Solution:
          7.6+4.8
        =12.4
    Answer:7.6+4.8=12.4
[7/7 Formula]
    Work: Calculate the value of equation 10.5-1.8 .
    Question type: Mathematical calculation
    Solution:
          10.5-1.8
        =8.7
    Answer:10.5-1.8=8.7

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>>注：本次最多计算 7 道题。

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