Overview: 6 questions will be solved this time.Among them
           ☆6 arithmetic calculations

[1/6 Formula]
    Work: Calculate the value of equation 0.2*(0.28+2.32+0.4+0.5)*(4.2-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.28+2.32+0.4+0.5)*(4.2-0.1)
        =0.2*3.5*(4.2-0.1)
        =0.2*3.5*4.1
        =0.7*4.1
        =2.87
    Answer:0.2*(0.28+2.32+0.4+0.5)*(4.2-0.1)=2.87
[2/6 Formula]
    Work: Calculate the value of equation 0.2*(0.4+0.5)*(3.3-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.4+0.5)*(3.3-0.12)
        =0.2*0.9*(3.3-0.12)
        =0.2*0.9*3.18
        =0.18*3.18
        =0.5724
    Answer:0.2*(0.4+0.5)*(3.3-0.12)=0.5724
[3/6 Formula]
    Work: Calculate the value of equation 0.2*(0.4+0.5+0.92+0.28)*(4.2-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.4+0.5+0.92+0.28)*(4.2-0.12)
        =0.2*2.1*(4.2-0.12)
        =0.2*2.1*4.08
        =0.42*4.08
        =1.7136
    Answer:0.2*(0.4+0.5+0.92+0.28)*(4.2-0.12)=1.7136
[4/6 Formula]
    Work: Calculate the value of equation 0.2*(0.85+0.68+0.1)*(4.2-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.85+0.68+0.1)*(4.2-0.12)
        =0.2*1.63*(4.2-0.12)
        =0.2*1.63*4.08
        =0.326*4.08
        =1.33008
    Answer:0.2*(0.85+0.68+0.1)*(4.2-0.12)=1.33008
[5/6 Formula]
    Work: Calculate the value of equation 0.2*(0.4+0.3+0.92+0.28)*(0.9-0.1) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.4+0.3+0.92+0.28)*(0.9-0.1)
        =0.2*1.9*(0.9-0.1)
        =0.2*1.9*0.8
        =0.38*0.8
        =0.304
    Answer:0.2*(0.4+0.3+0.92+0.28)*(0.9-0.1)=0.304
[6/6 Formula]
    Work: Calculate the value of equation 0.2*(0.4+0.1+0.92+0.28)*(4.2-0.12) .
    Question type: Mathematical calculation
    Solution:
          0.2*(0.4+0.1+0.92+0.28)*(4.2-0.12)
        =0.2*1.7*(4.2-0.12)
        =0.2*1.7*4.08
        =0.34*4.08
        =1.3872
    Answer:0.2*(0.4+0.1+0.92+0.28)*(4.2-0.12)=1.3872

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