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

[1/7 Formula]
    Work: Calculate the value of equation 18.9-(5.6+8.9) .
    Question type: Mathematical calculation
    Solution:
          18.9-(5.6+8.9)
        =18.9-14.5
        =4.4
    Answer:18.9-(5.6+8.9)=4.4
[2/7 Formula]
    Work: Calculate the value of equation 8.42+8.46+8.54+8.58 .
    Question type: Mathematical calculation
    Solution:
          8.42+8.46+8.54+8.58
        =16.88+8.54+8.58
        =25.42+8.58
        =34
    Answer:8.42+8.46+8.54+8.58=34
[3/7 Formula]
    Work: Calculate the value of equation 6.7+4.95+3.3 .
    Question type: Mathematical calculation
    Solution:
          6.7+4.95+3.3
        =11.65+3.3
        =14.95
    Answer:6.7+4.95+3.3=14.95
[4/7 Formula]
    Work: Calculate the value of equation (1.38+1.75)+0.25 .
    Question type: Mathematical calculation
    Solution:
          (1.38+1.75)+0.25
        =3.13+0.25
        =3.38
    Answer:(1.38+1.75)+0.25=3.38
[5/7 Formula]
    Work: Calculate the value of equation 4.9+7.2+6.1 .
    Question type: Mathematical calculation
    Solution:
          4.9+7.2+6.1
        =12.1+6.1
        =18.2
    Answer:4.9+7.2+6.1=18.2
[6/7 Formula]
    Work: Calculate the value of equation 44-4.34-2.66 .
    Question type: Mathematical calculation
    Solution:
          44-4.34-2.66
        =39.66-2.66
        =37
    Answer:44-4.34-2.66=37
[7/7 Formula]
    Work: Calculate the value of equation 4.6+2.3+5.7+5.4 .
    Question type: Mathematical calculation
    Solution:
          4.6+2.3+5.7+5.4
        =6.9+5.7+5.4
        =12.6+5.4
        =18
    Answer:4.6+2.3+5.7+5.4=18

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>>注：本次最多计算 7 道题。

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