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

[1/7 Formula]
    Work: Calculate the value of equation 0.9-0.8 .
    Question type: Mathematical calculation
    Solution:
          0.9-0.8
        =0.1
    Answer:0.9-0.8=0.1
[2/7 Formula]
    Work: Calculate the value of equation 1.7-1.2 .
    Question type: Mathematical calculation
    Solution:
          1.7-1.2
        =0.5
    Answer:1.7-1.2=0.5
[3/7 Formula]
    Work: Calculate the value of equation 5.4-3.6 .
    Question type: Mathematical calculation
    Solution:
          5.4-3.6
        =1.8
    Answer:5.4-3.6=1.8
[4/7 Formula]
    Work: Calculate the value of equation 2.98-2.89 .
    Question type: Mathematical calculation
    Solution:
          2.98-2.89
        =0.09
    Answer:2.98-2.89=0.09
[5/7 Formula]
    Work: Calculate the value of equation 37.56-27.56 .
    Question type: Mathematical calculation
    Solution:
          37.56-27.56
        =10
    Answer:37.56-27.56=10
[6/7 Formula]
    Work: Calculate the value of equation 199.67-19.77 .
    Question type: Mathematical calculation
    Solution:
          199.67-19.77
        =179.9
    Answer:199.67-19.77=179.9
[7/7 Formula]
    Work: Calculate the value of equation 44.4-11.7 .
    Question type: Mathematical calculation
    Solution:
          44.4-11.7
        =32.7
    Answer:44.4-11.7=32.7

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>>注：本次最多计算 7 道题。

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