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

[1/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,1)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,1)*80
        =650-0*80
        =650-0
        =650
    Answer:650-log(1.5,1)*80=650
[2/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,4)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,4)*80
        =650-3.419023*80
        =650-273.52184
        =376.47816
    Answer:650-log(1.5,4)*80=376.47816
[3/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,8)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,8)*80
        =650-5.128534*80
        =650-410.28272
        =239.71728
    Answer:650-log(1.5,8)*80=239.71728
[4/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,10)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,10)*80
        =650-5.678874*80
        =650-454.30992
        =195.69008
    Answer:650-log(1.5,10)*80=195.69008
[5/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,13)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,13)*80
        =650-6.325943*80
        =650-506.07544
        =143.92456
    Answer:650-log(1.5,13)*80=143.92456
[6/6 Formula]
    Work: Calculate the value of equation 650-log(1.5,100)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(1.5,100)*80
        =650-11.357747*80
        =650-908.61976
        =-258.61976
    Answer:650-log(1.5,100)*80=-258.61976

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