Question

s=4+5+6+7+.....+96. afla suma

Answer 1

S = 4+5+6+7+....+ n = $\frac{n(n+1)}{2}$
n = 96
$\frac{n(n+1)}{2}$ = $\frac{96(96+1)}{2}$ = $\frac{9312}{2}$ = 4656

Answer 2

Nr termeni=96-4+1=93
S=93*(96+4)/2=93*100/2=4650
Sper ca te-am ajutat