계산: 2log 5 10 + log 5 0.25 =

계산: 2log 5 10 + log 5 0.25 =

2log 5 10 + log 5 0.25 = log 5 10 ^ 2 + log 5 0.25 = log 5 (100 * 0.25)
= log 5 25 = 2