Related Post: Log 81 1 4 Log 81 3 1 4 Log 81 X 1 4 Log Base 81 X 1 4 Log Base 3 1 81 =- 4 If 1 Log 81 3x 48 Log De X Na Base 81 1 4 Resolva O Logaritmo Log 81 X 1 4 Log 81=4 Log 1/3 81