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

[1/6 Formula]
    Work: Calculate the value of equation (2.5+0.6+0.2)*(1.8+2.7+0.2)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (2.5+0.6+0.2)*(1.8+2.7+0.2)*0.12
        =3.3*(1.8+2.7+0.2)*0.12
        =3.3*4.7*0.12
        =15.51*0.12
        =1.8612
    Answer:(2.5+0.6+0.2)*(1.8+2.7+0.2)*0.12=1.8612
[2/6 Formula]
    Work: Calculate the value of equation (2.5+0.6+0.2)*(2.1+1.8+0.2)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (2.5+0.6+0.2)*(2.1+1.8+0.2)*0.12
        =3.3*(2.1+1.8+0.2)*0.12
        =3.3*4.1*0.12
        =13.53*0.12
        =1.6236
    Answer:(2.5+0.6+0.2)*(2.1+1.8+0.2)*0.12=1.6236
[3/6 Formula]
    Work: Calculate the value of equation (2.5+0.6+0.3+0.2)*(3.5+3.5+0.2)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (2.5+0.6+0.3+0.2)*(3.5+3.5+0.2)*0.12
        =3.6*(3.5+3.5+0.2)*0.12
        =3.6*7.2*0.12
        =25.92*0.12
        =3.1104
    Answer:(2.5+0.6+0.3+0.2)*(3.5+3.5+0.2)*0.12=3.1104
[4/6 Formula]
    Work: Calculate the value of equation (2.5+0.6+0.2)*(1.8+2.1+2.7+1.8+0.2)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (2.5+0.6+0.2)*(1.8+2.1+2.7+1.8+0.2)*0.12
        =3.3*(1.8+2.1+2.7+1.8+0.2)*0.12
        =3.3*8.6*0.12
        =28.38*0.12
        =3.4056
    Answer:(2.5+0.6+0.2)*(1.8+2.1+2.7+1.8+0.2)*0.12=3.4056
[5/6 Formula]
    Work: Calculate the value of equation (2.5+0.6+0.3+0.2)*(3.5+0.2)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (2.5+0.6+0.3+0.2)*(3.5+0.2)*0.12
        =3.6*(3.5+0.2)*0.12
        =3.6*3.7*0.12
        =13.32*0.12
        =1.5984
    Answer:(2.5+0.6+0.3+0.2)*(3.5+0.2)*0.12=1.5984
[6/6 Formula]
    Work: Calculate the value of equation (4.2+0.2)*(4.2+3.5+0.21)*0.12 .
    Question type: Mathematical calculation
    Solution:
          (4.2+0.2)*(4.2+3.5+0.21)*0.12
        =4.4*(4.2+3.5+0.21)*0.12
        =4.4*7.91*0.12
        =34.804*0.12
        =4.17648
    Answer:(4.2+0.2)*(4.2+3.5+0.21)*0.12=4.17648

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