Mathematics
         
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    Overview: 1 questions will be solved this time.Among them
           ☆1 arithmetic calculations

[1/1 Formula]
    Work: Calculate the value of equation -9/14*(lg2*(9/14))-5/14*(lg2*(5/14)) .
    Question type: Mathematical calculation
    Solution:
          -9/14*(lg2*(9/14))-5/14*(lg2*(5/14))
        =-9/14*(lg2*0.642857)-5/14*(lg2*(5/14))
        =-9/14*0.193519-5/14*(lg2*(5/14))
        =-9/14*0.193519-5/14*(lg2*0.357143)
        =-9/14*0.193519-5/14*0.107511
        =-0.642857*0.193519-5/14*0.107511
        =(-0.124405)-5/14*0.107511
        =-0.124405-0.357143*0.107511
        =-0.124405-0.038397
        =-0.162802

    Answer:-9/14*(lg2*(9/14))-5/14*(lg2*(5/14))=-0.162802


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