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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation ((8.1-5.6)×0.9-1.05)÷0.04 .
    Question type: Mathematical calculation
    Solution:
          ((8.1-5.6)×0.9-1.05)÷0.04
        =(2.5×0.9-1.05)÷0.04
        =1.2÷0.04
        =30
    Answer:((8.1-5.6)×0.9-1.05)÷0.04=30

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