Respostas

2014-04-21T15:00:18-03:00
Og 64 na base 32

= log 2^6 na base 2^5

= 6/5 . log 2 na base 2

= 6/5 = 1,2


log 81 base 9

= log 3^4 base 3^2

= 4/2 . log 3 base 3

= 4/2 = 2