log 25 + log 4 помогите пожалуйста!!!
log 25 + log 4 = log(25*4) = log (100) = log(10^2) = 2
или
Log 25 + log 4 = Log 5² + log 2² = 2Log 5 + 2log 2 = 2(log 5 + log 2) = 2 log 5(2) = 2 log 10 = 2(1) = 2