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

[1/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+0.3+0.4+0.5)*(3.4-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+0.3+0.4+0.5)*(3.4-0.12)
        =0.2*1.5*(3.4-0.12)
        =0.2*1.5*3.28
        =0.3*3.28
        =0.984
    Answer:0.2*(0.3+0.3+0.4+0.5)*(3.4-0.12)=0.984
[2/7 Formula]
    Work: Calculate the value of equation 0.2*(0.4+0.9+0.3+0.5)*(3.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.4+0.9+0.3+0.5)*(3.4-0.1)
        =0.2*2.1*(3.4-0.1)
        =0.2*2.1*3.3
        =0.42*3.3
        =1.386
    Answer:0.2*(0.4+0.9+0.3+0.5)*(3.4-0.1)=1.386
[3/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12)
        =0.2*1.9*(3.4-0.12)
        =0.2*1.9*3.28
        =0.38*3.28
        =1.2464
    Answer:0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12)=1.2464
[4/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+0.9+0.4+0.2)*(3.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+0.9+0.4+0.2)*(3.4-0.1)
        =0.2*1.8*(3.4-0.1)
        =0.2*1.8*3.3
        =0.36*3.3
        =1.188
    Answer:0.2*(0.3+0.9+0.4+0.2)*(3.4-0.1)=1.188
[5/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+1.4+0.7+0.85)*(3.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+1.4+0.7+0.85)*(3.4-0.1)
        =0.2*3.25*(3.4-0.1)
        =0.2*3.25*3.3
        =0.65*3.3
        =2.145
    Answer:0.2*(0.3+1.4+0.7+0.85)*(3.4-0.1)=2.145
[6/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12)
        =0.2*1.9*(3.4-0.12)
        =0.2*1.9*3.28
        =0.38*3.28
        =1.2464
    Answer:0.2*(0.3+0.9+0.4+0.3)*(3.4-0.12)=1.2464
[7/7 Formula]
    Work: Calculate the value of equation 0.2*(0.3+0.9+0.4+0.6)*(3.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.3+0.9+0.4+0.6)*(3.4-0.1)
        =0.2*2.2*(3.4-0.1)
        =0.2*2.2*3.3
        =0.44*3.3
        =1.452
    Answer:0.2*(0.3+0.9+0.4+0.6)*(3.4-0.1)=1.452

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>>注：本次最多计算 7 道题。

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