Răspuns :
Răspuns:
a²=9=>a=√9=>a=3
b=0,1,2,3,4,5,6,7,8,9
c=0,5
300+310+320+330+340+350+360+370+380+390=3450
305+315+325+335+345+355+365+375+385+395=3500
3450+3500=6950 suma nr
Răspuns:
a²=9=>a=√9=>a=3
b=0,1,2,3,4,5,6,7,8,9
c=0,5
300+310+320+330+340+350+360+370+380+390=3450
305+315+325+335+345+355+365+375+385+395=3500
3450+3500=6950 suma nr