Jawabanmu

2014-01-18T12:30:03+07:00
N(Rotan)=73
Rotan=42
Rotan n Bambu=37
n(S)=42+37=79
n(Bambu)=n(S)-n(Rotan)=79-73=6

2014-01-18T13:36:49+07:00