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

[1/7 Formula]
    Work: Calculate the value of equation 7.5+4.9-6.5 .
    Question type: Mathematical calculation
    Solution:
          7.5+4.9-6.5
        =12.4-6.5
        =5.9
    Answer:7.5+4.9-6.5=5.9
[2/7 Formula]
    Work: Calculate the value of equation 72+8.8-0.8 .
    Question type: Mathematical calculation
    Solution:
          72+8.8-0.8
        =80.8-0.8
        =80
    Answer:72+8.8-0.8=80
[3/7 Formula]
    Work: Calculate the value of equation 6.28+5.74+3.72+5.26 .
    Question type: Mathematical calculation
    Solution:
          6.28+5.74+3.72+5.26
        =12.02+3.72+5.26
        =15.74+5.26
        =21
    Answer:6.28+5.74+3.72+5.26=21
[4/7 Formula]
    Work: Calculate the value of equation 4.36+14.8+5.64+5.2 .
    Question type: Mathematical calculation
    Solution:
          4.36+14.8+5.64+5.2
        =19.16+5.64+5.2
        =24.8+5.2
        =30
    Answer:4.36+14.8+5.64+5.2=30
[5/7 Formula]
    Work: Calculate the value of equation 16.9-5.6-4.4 .
    Question type: Mathematical calculation
    Solution:
          16.9-5.6-4.4
        =11.3-4.4
        =6.9
    Answer:16.9-5.6-4.4=6.9
[6/7 Formula]
    Work: Calculate the value of equation 38.2-7.09-20.6-2.31 .
    Question type: Mathematical calculation
    Solution:
          38.2-7.09-20.6-2.31
        =31.11-20.6-2.31
        =10.51-2.31
        =8.2
    Answer:38.2-7.09-20.6-2.31=8.2
[7/7 Formula]
    Work: Calculate the value of equation 9.08-(5.7+1.08) .
    Question type: Mathematical calculation
    Solution:
          9.08-(5.7+1.08)
        =9.08-6.78
        =2.3
    Answer:9.08-(5.7+1.08)=2.3

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>>注：本次最多计算 7 道题。

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