Răspuns :
1< ¬/2 => | 1- ¬/2 |=¬/2 -1
¬/2 < ¬/3 => | ¬/2 -¬/3|=¬/3 -¬/2
| 1- ¬/2 |+| ¬/2 -¬/3|=(¬/2-1)+(¬/3 -¬/2)=
=¬/2 -1+¬/3 -¬/2=-1+¬/3=¬/3 -1
¬/2 < ¬/3 => | ¬/2 -¬/3|=¬/3 -¬/2
| 1- ¬/2 |+| ¬/2 -¬/3|=(¬/2-1)+(¬/3 -¬/2)=
=¬/2 -1+¬/3 -¬/2=-1+¬/3=¬/3 -1