Question

calcule os numeros naturais de 1 a 300

Answer 1

Sn=(a1+an)n/2
S300=(1+300)300/2
S300=301.150
S300=45.150

Answer 2

$Sn= \frac{(a1+an)n}{2}$

$Sn= \frac{(300+1)300}{3}$

$Sn= \frac{301.300}{2}$

$Sn= \frac{90300}{2} = 45150$