Resposta :
3 log2 a + 2 log 2c-log 2b
log2 a^3 + log (2c)^2 - log2 b
log2 a^3 + log 4c^2 - log2 b
log ( a^3 . 4c^2 )
b
log2 a^3 + log (2c)^2 - log2 b
log2 a^3 + log 4c^2 - log2 b
log ( a^3 . 4c^2 )
b