se dau vectorii
u= 3i+15j
v= 10i+12j
w= -5i-15j
Calculeaza a=u+v+w



Răspuns :

U..... 3i+15j=18
V...... 10i+12j=22
W..... 5i-15j=20.........5i+15j=20
u+v+w=?
18+22+20=60
Sper sa fie bine, cu placere!!