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

[1/7 Formula]
    Work: Calculate the value of equation 1.29+3.7+2.71+6.3 .
    Question type: Mathematical calculation
    Solution:
          1.29+3.7+2.71+6.3
        =4.99+2.71+6.3
        =7.7+6.3
        =14
    Answer:1.29+3.7+2.71+6.3=14
[2/7 Formula]
    Work: Calculate the value of equation 8-2.45-1.55 .
    Question type: Mathematical calculation
    Solution:
          8-2.45-1.55
        =5.55-1.55
        =4
    Answer:8-2.45-1.55=4
[3/7 Formula]
    Work: Calculate the value of equation 3.25+1.79-0.59+1.75 .
    Question type: Mathematical calculation
    Solution:
          3.25+1.79-0.59+1.75
        =5.04-0.59+1.75
        =4.45+1.75
        =6.2
    Answer:3.25+1.79-0.59+1.75=6.2
[4/7 Formula]
    Work: Calculate the value of equation 23.4-0.8-13.4-7.2 .
    Question type: Mathematical calculation
    Solution:
          23.4-0.8-13.4-7.2
        =22.6-13.4-7.2
        =9.2-7.2
        =2
    Answer:23.4-0.8-13.4-7.2=2
[5/7 Formula]
    Work: Calculate the value of equation 3.2+0.36+4.8+1.64 .
    Question type: Mathematical calculation
    Solution:
          3.2+0.36+4.8+1.64
        =3.56+4.8+1.64
        =8.36+1.64
        =10
    Answer:3.2+0.36+4.8+1.64=10
[6/7 Formula]
    Work: Calculate the value of equation 1.23+3.4-0.23+6.6 .
    Question type: Mathematical calculation
    Solution:
          1.23+3.4-0.23+6.6
        =4.63-0.23+6.6
        =4.4+6.6
        =11
    Answer:1.23+3.4-0.23+6.6=11
[7/7 Formula]
    Work: Calculate the value of equation 12.7-(3.7-0.84) .
    Question type: Mathematical calculation
    Solution:
          12.7-(3.7-0.84)
        =12.7-2.86
        =9.84
    Answer:12.7-(3.7-0.84)=9.84

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>>注：本次最多计算 7 道题。

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