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

[1/6 Formula]
    Work: Calculate the value of equation 2.5*0.2*(0.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          2.5*0.2*(0.4-0.1)
        =2.5*0.2*0.3
        =0.5*0.3
        =0.15
    Answer:2.5*0.2*(0.4-0.1)=0.15
[2/6 Formula]
    Work: Calculate the value of equation (1.7+0.7)*0.2*(0.55-0.1) .
    Question type: Mathematical calculation
    Solution:
          (1.7+0.7)*0.2*(0.55-0.1)
        =2.4*0.2*(0.55-0.1)
        =2.4*0.2*0.45
        =0.48*0.45
        =0.216
    Answer:(1.7+0.7)*0.2*(0.55-0.1)=0.216
[3/6 Formula]
    Work: Calculate the value of equation 4.2*0.2*(0.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          4.2*0.2*(0.4-0.1)
        =4.2*0.2*0.3
        =0.84*0.3
        =0.252
    Answer:4.2*0.2*(0.4-0.1)=0.252
[4/6 Formula]
    Work: Calculate the value of equation (0.7+0.7+3.3)*0.2*(0.55-0.1) .
    Question type: Mathematical calculation
    Solution:
          (0.7+0.7+3.3)*0.2*(0.55-0.1)
        =4.7*0.2*(0.55-0.1)
        =4.7*0.2*0.45
        =0.94*0.45
        =0.423
    Answer:(0.7+0.7+3.3)*0.2*(0.55-0.1)=0.423
[5/6 Formula]
    Work: Calculate the value of equation (0.3+0.6+2.5)*(0.2*10.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          (0.3+0.6+2.5)*(0.2*10.4-0.1)
        =3.4*(0.2*10.4-0.1)
        =3.4*1.98
        =6.732
    Answer:(0.3+0.6+2.5)*(0.2*10.4-0.1)=6.732
[6/6 Formula]
    Work: Calculate the value of equation (6*0.2*10.4-0.1) .
    Question type: Mathematical calculation
    Solution:
          (6*0.2*10.4-0.1)
        =12.38
    Answer:(6*0.2*10.4-0.1)=12.38

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