Răspuns:
Utilizam Suma Gauss:
Caz general:
[tex]1 + 2 + 3 + 4 + ... + n = \\ \\ = \frac{n \times (n + 1)}{2} [/tex]
Aplicata in cerinta data:
[tex]1 + 2 + 3 + 4 + ... + 10 = \\ \\ = \frac{10 \times 11}{2} = \\ \\ = \frac{110}{2} = \\ \\ = 55[/tex]
Succes! ♡︎♥︎♡︎
