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

[1/7 Formula]
    Work: Calculate the value of equation 2.5×26+2.5×6+8×2.5 .
    Question type: Mathematical calculation
    Solution:
          2.5×26+2.5×6+8×2.5
        =65+2.5×6+8×2.5
        =65+15+8×2.5
        =65+15+20
        =80+20
        =100
    Answer:2.5×26+2.5×6+8×2.5=100
[2/7 Formula]
    Work: Calculate the value of equation 25×26.8×0.04 .
    Question type: Mathematical calculation
    Solution:
          25×26.8×0.04
        =670×0.04
        =26.8
    Answer:25×26.8×0.04=26.8
[3/7 Formula]
    Work: Calculate the value of equation 0.25×32×0.125 .
    Question type: Mathematical calculation
    Solution:
          0.25×32×0.125
        =8×0.125
        =1
    Answer:0.25×32×0.125=1
[4/7 Formula]
    Work: Calculate the value of equation 18×12.5 .
    Question type: Mathematical calculation
    Solution:
          18×12.5
        =225
    Answer:18×12.5=225
[5/7 Formula]
    Work: Calculate the value of equation (1.25-0.125)×0.8 .
    Question type: Mathematical calculation
    Solution:
          (1.25-0.125)×0.8
        =1.125×0.8
        =0.9
    Answer:(1.25-0.125)×0.8=0.9
[6/7 Formula]
    Work: Calculate the value of equation 3.72×6.4+6.28×6.4 .
    Question type: Mathematical calculation
    Solution:
          3.72×6.4+6.28×6.4
        =23.808+6.28×6.4
        =23.808+40.192
        =64
    Answer:3.72×6.4+6.28×6.4=64
[7/7 Formula]
    Work: Calculate the value of equation 15.6×13.1-15.6-15.6×2.1 .
    Question type: Mathematical calculation
    Solution:
          15.6×13.1-15.6-15.6×2.1
        =204.36-15.6-15.6×2.1
        =204.36-15.6-32.76
        =188.76-32.76
        =156
    Answer:15.6×13.1-15.6-15.6×2.1=156

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>>注：本次最多计算 7 道题。

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