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           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation ((1.5*10^8-(7.7659*10^7+6.7695*10^7))/(7.7659*10^7+6.7695*10^7))*((706-2*(10+1))/(10+1)) .
    Question type: Mathematical calculation
    Solution:
          ((1.5*10^8-(7.7659*10^7+6.7695*10^7))/(7.7659*10^7+6.7695*10^7))*((706-2*(10+1))/(10+1))
        =((1.5*10^8-145354000)/(7.7659*10^7+6.7695*10^7))*((706-2*(10+1))/(10+1))
        =(4646000/(7.7659*10^7+6.7695*10^7))*((706-2*(10+1))/(10+1))
        =(4646000/145354000)*((706-2*(10+1))/(10+1))
        =0.031963*((706-2*(10+1))/(10+1))
        =0.031963*((706-2*11)/(10+1))
        =0.031963*(684/(10+1))
        =0.031963*(684/11)
        =0.031963*62.181818
        =1.987517

    Answer:((1.5*10^8-(7.7659*10^7+6.7695*10^7))/(7.7659*10^7+6.7695*10^7))*((706-2*(10+1))/(10+1))=1.987517


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