Jawabanmu

2014-09-03T22:52:39+07:00
2 log 3 . 3 log 5 = 2 log 5
2 log 15 = 2 log 3 . 5    = 2 log 15 //
30 log 150 = 2 x 3 x 5 log  2 x 3 x 5^2  = 5 log 5^2
100 log 50 = 2^2 log 5^2  log 2 x 5^2 = 2 log 1

maka