Question

Calculati urmatoarea suma:
1+2+3+...+500
Imi si puteti explica cum se rezolva va rog?

Answer 1

1+2+3+4+......+500
=500×501:2
=250500:2
=12250
Pai inmultesti cle mai mare nr cu el plus 1
n(factor)×(n+1) :2

Answer 2

$[tex] \frac{(1+500)*500}{2} = \frac{250500}{2} =125250$[/tex]