Jawabanmu

2014-09-04T19:39:37+07:00
N+125-60=140
n+65=140
n=140-65
n=75
3 2 3
2014-09-04T19:45:59+07:00
N+125-60=70x2
n+65=140
n=140-65
n=75
3 3 3