Jawabanmu

2014-08-26T19:13:50+07:00
3 log 20 = 3 log (2.2.5)
3 log 2 + 3 log 2 + 3 log 5
a + a + b
2a + b
jadi jwaban'a 2a + b
2014-08-26T19:20:37+07:00
3Log 2= a
3Log 5 = b
3Log 20 = 3Log 2 + 3Log 2 + 3Log 5 = 2a +b

Je te finis.