Ответы и объяснения

2014-02-03T21:55:00+04:00
Log3 5 = log2 5/ log2 3
log 4 9 = log 2 3
log 5 2 = 1/ log 2 5
log2 5/ log2 3 * log2 3 *(1/log2 5) = 1