Ответы и объяснения

2014-02-25T07:23:03+00:00
Log₂7-log₂7/16 = log₂(7:7/16) = log₂(7·16/7) =log₂16 = 4

log₁₂4+log₁₂36 = log₁₂ (4·36) = log₁₂144 = 2