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

[1/7 Formula]
    Work: Calculate the value of equation 21.32-(6.32+8.3) .
    Question type: Mathematical calculation
    Solution:
          21.32-(6.32+8.3)
        =21.32-14.62
        =6.7
    Answer:21.32-(6.32+8.3)=6.7
[2/7 Formula]
    Work: Calculate the value of equation 12.45-1.35-0.65 .
    Question type: Mathematical calculation
    Solution:
          12.45-1.35-0.65
        =11.1-0.65
        =10.45
    Answer:12.45-1.35-0.65=10.45
[3/7 Formula]
    Work: Calculate the value of equation 27.3+73.2+72.7 .
    Question type: Mathematical calculation
    Solution:
          27.3+73.2+72.7
        =100.5+72.7
        =173.2
    Answer:27.3+73.2+72.7=173.2
[4/7 Formula]
    Work: Calculate the value of equation 42.5-22.17-7.83 .
    Question type: Mathematical calculation
    Solution:
          42.5-22.17-7.83
        =20.33-7.83
        =12.5
    Answer:42.5-22.17-7.83=12.5
[5/7 Formula]
    Work: Calculate the value of equation 3.8+1.37+6.2+12.63 .
    Question type: Mathematical calculation
    Solution:
          3.8+1.37+6.2+12.63
        =5.17+6.2+12.63
        =11.37+12.63
        =24
    Answer:3.8+1.37+6.2+12.63=24
[6/7 Formula]
    Work: Calculate the value of equation (15.28+28.99)+20.72 .
    Question type: Mathematical calculation
    Solution:
          (15.28+28.99)+20.72
        =44.27+20.72
        =64.99
    Answer:(15.28+28.99)+20.72=64.99
[7/7 Formula]
    Work: Calculate the value of equation 5.85+1.89+2.15 .
    Question type: Mathematical calculation
    Solution:
          5.85+1.89+2.15
        =7.74+2.15
        =9.89
    Answer:5.85+1.89+2.15=9.89

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>>注：本次最多计算 7 道题。

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