1) loga(AB), если logaB=5

loga(AB) = logaA + logaB = 1+5 = 6

2) logaB/A, если logaB = -4

logaB/A = logaA - logaB = 1 - (-4) = 5

3) loga(AB), если logbA = 1/6 => logaB = 6

loga(AB) = logaA + logaB = 1 + 6 = 7