Răspuns :
|7|+|-3|-|-4|=7+3-4=11-4=7
|-3|+|+9|-|-6|=3+9-6=11-6=5
|8-3|+|8|+|-3|=5+8+3=13+3=16
Modulul inseamna partea pozitiva a unui nr
|7|= 7
|-3|=3
7+3-4= 6
3+9-6=6
5+8+3= 16
|7|= 7
|-3|=3
7+3-4= 6
3+9-6=6
5+8+3= 16