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

[1/6 Formula]
    Work: Calculate the value of equation 650-log(2,1)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,1)*80
        =650-0*80
        =650-0
        =650
    Answer:650-log(2,1)*80=650
[2/6 Formula]
    Work: Calculate the value of equation 650-log(2,4)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,4)*80
        =650-2*80
        =650-160
        =490
    Answer:650-log(2,4)*80=490
[3/6 Formula]
    Work: Calculate the value of equation 650-log(2,8)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,8)*80
        =650-3*80
        =650-240
        =410
    Answer:650-log(2,8)*80=410
[4/6 Formula]
    Work: Calculate the value of equation 650-log(2,10)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,10)*80
        =650-3.321928*80
        =650-265.75424
        =384.24576
    Answer:650-log(2,10)*80=384.24576
[5/6 Formula]
    Work: Calculate the value of equation 650-log(2,13)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,13)*80
        =650-3.70044*80
        =650-296.0352
        =353.9648
    Answer:650-log(2,13)*80=353.9648
[6/6 Formula]
    Work: Calculate the value of equation 650-log(2,100)*80 .
    Question type: Mathematical calculation
    Solution:
          650-log(2,100)*80
        =650-6.643856*80
        =650-531.50848
        =118.49152
    Answer:650-log(2,100)*80=118.49152

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